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312433342233420 = 223547747714817703
BaseRepresentation
bin100011100001010000000111…
…0011000010011101101001100
31111222020100001210220000100110
41013002200032120103231030
5311422401441102432140
63024253521310200020
7122544364322634162
oct10702401630235514
91458210053800313
10312433342233420
1190607266630131
122b05b8121b3010
1310544451076425
145721bd6873232
15261c1953e8380
hex11c280e613b4c

312433342233420 has 96 divisors (see below), whose sum is σ = 893545958688768. Its totient is φ = 81531975151872.

The previous prime is 312433342233349. The next prime is 312433342233433. The reversal of 312433342233420 is 24332243334213.

It is a super-2 number, since 2×3124333422334202 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13676289 + ... + 28493991.

It is an arithmetic number, because the mean of its divisors is an integer number (9307770403008).

Almost surely, 2312433342233420 is an apocalyptic number.

312433342233420 is a gapful number since it is divisible by the number (30) 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 312433342233420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446772979344384).

312433342233420 is an abundant number, since it is smaller than the sum of its proper divisors (581112616455348).

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

312433342233420 is a wasteful number, since it uses less digits than its factorization.

312433342233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14825239 (or 14825237 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 39.

Adding to 312433342233420 its reverse (24332243334213), we get a palindrome (336765585567633).

The spelling of 312433342233420 in words is "three hundred twelve trillion, four hundred thirty-three billion, three hundred forty-two million, two hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 7477 14954 22431 29908 37385 44862 74770 89724 112155 149540 224310 351419 448620 702838 1054257 1405676 1757095 2108514 3514190 4217028 5271285 7028380 10542570 14817703 21085140 29635406 44453109 59270812 74088515 88906218 148177030 177812436 222265545 296354060 444531090 696432041 889062180 1392864082 2089296123 2785728164 3482160205 4178592246 6964320410 8357184492 10446480615 13928640820 20892961230 41785922460 110791965331 221583930662 332375895993 443167861324 553959826655 664751791986 1107919653310 1329503583972 1661879479965 2215839306620 3323758959930 5207222370557 6647517919860 10414444741114 15621667111671 20828889482228 26036111852785 31243334223342 52072223705570 62486668446684 78108335558355 104144447411140 156216671116710 312433342233420