Search a number
-
+
312112980603888 = 24319619535887003
BaseRepresentation
bin100011011110111010111011…
…1010101101011001111110000
31111221002201011020222000220020
41012331311313111223033300
5311402124341013311023
63023450420204443440
7122512263422003232
oct10675656725531760
91457081136860806
10312112980603888
11904a340a867232
122b009705849580
1310520187974529
1457104c53d2252
152613b95388de3
hex11bdd7756b3f0

312112980603888 has 160 divisors (see below), whose sum is σ = 863547191228160. Its totient is φ = 96844479621120.

The previous prime is 312112980603887. The next prime is 312112980603889. The reversal of 312112980603888 is 888306089211213.

It is an interprime number because it is at equal distance from previous prime (312112980603887) and next prime (312112980603889).

It is a super-2 number, since 2×3121129806038882 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112980603883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50073795 + ... + 55960797.

It is an arithmetic number, because the mean of its divisors is an integer number (5397169945176).

Almost surely, 2312112980603888 is an apocalyptic number.

312112980603888 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312112980603888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431773595614080).

312112980603888 is an abundant number, since it is smaller than the sum of its proper divisors (551434210624272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312112980603888 is a wasteful number, since it uses less digits than its factorization.

312112980603888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888047 (or 5888041 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 60.

The spelling of 312112980603888 in words is "three hundred twelve trillion, one hundred twelve billion, nine hundred eighty million, six hundred three thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 61 76 114 122 152 183 228 244 304 366 456 488 732 912 953 976 1159 1464 1906 2318 2859 2928 3477 3812 4636 5718 6954 7624 9272 11436 13908 15248 18107 18544 22872 27816 36214 45744 54321 55632 58133 72428 108642 116266 144856 174399 217284 232532 289712 348798 434568 465064 697596 869136 930128 1104527 1395192 2209054 2790384 3313581 4418108 5887003 6627162 8836216 11774006 13254324 17661009 17672432 23548012 26508648 35322018 47096024 53017296 70644036 94192048 111853057 141288072 223706114 282576144 335559171 359107183 447412228 671118342 718214366 894824456 1077321549 1342236684 1436428732 1789648912 2154643098 2684473368 2872857464 4309286196 5368946736 5610313859 5745714928 6823036477 8618572392 11220627718 13646072954 16830941577 17237144784 20469109431 22441255436 27292145908 33661883154 40938218862 44882510872 54584291816 67323766308 81876437724 89765021744 106595963321 109168583632 134647532616 163752875448 213191926642 269295065232 319787889963 327505750896 342229145399 426383853284 639575779926 684458290798 852767706568 1026687436197 1279151559852 1368916581596 1705535413136 2053374872394 2558303119704 2737833163192 4106749744788 5116606239408 5475666326384 6502353762581 8213499489576 13004707525162 16426998979152 19507061287743 26009415050324 39014122575486 52018830100648 78028245150972 104037660201296 156056490301944 312112980603888