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102420310300 = 2252711130710177
BaseRepresentation
bin101111101100010111…
…0011110100100011100
3100210100211212211210221
41133120232132210130
53134224044412200
6115015022411124
710254033162520
oct1373056364434
9323324784727
10102420310300
113a488660050
1217a24430aa4
139873089b09
144d58689d80
1529e697391a
hex17d8b9e91c

102420310300 has 144 divisors (see below), whose sum is σ = 277332749568. Its totient is φ = 31895654400.

The previous prime is 102420310271. The next prime is 102420310301. The reversal of 102420310300 is 3013024201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102420310301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10058812 + ... + 10068988.

It is an arithmetic number, because the mean of its divisors is an integer number (1925921872).

Almost surely, 2102420310300 is an apocalyptic number.

102420310300 is a gapful number since it is divisible by the number (10) 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 102420310300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138666374784).

102420310300 is an abundant number, since it is smaller than the sum of its proper divisors (174912439268).

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

102420310300 is a wasteful number, since it uses less digits than its factorization.

102420310300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516 (or 11509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102420310300 its reverse (3013024201), we get a palindrome (105433334501).

The spelling of 102420310300 in words is "one hundred two billion, four hundred twenty million, three hundred ten thousand, three hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1307 1540 1925 2614 3850 5228 6535 7700 9149 10177 13070 14377 18298 20354 26140 28754 32675 36596 40708 45745 50885 57508 65350 71239 71885 91490 100639 101770 111947 130700 142478 143770 182980 201278 203540 223894 228725 254425 284956 287540 356195 359425 402556 447788 457450 503195 508850 559735 712390 718850 783629 914900 1006390 1017700 1119470 1424780 1437700 1567258 1780975 2012780 2238940 2515975 2798675 3134516 3561950 3918145 5031950 5597350 7123900 7836290 10063900 11194700 13301339 15672580 19590725 26602678 39181450 53205356 66506695 78362900 93109373 133013390 146314729 186218746 266026780 292629458 332533475 372437492 465546865 585258916 665066950 731573645 931093730 1024203103 1330133900 1463147290 1862187460 2048406206 2327734325 2926294580 3657868225 4096812412 4655468650 5121015515 7315736450 9310937300 10242031030 14631472900 20484062060 25605077575 51210155150 102420310300