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102231798916 = 2213792315013
BaseRepresentation
bin101111100110101111…
…1010111010010000100
3100202212201011110210211
41133031133113102010
53133332320031131
6114544210125204
710246253644612
oct1371537272204
9322781143724
10102231798916
113a3a1204715
1217991280804
139842cc5b10
144d3b6186b2
1529d51385b1
hex17cd7d7484

102231798916 has 36 divisors (see below), whose sum is σ = 195137942412. Its totient is φ = 46586494656.

The previous prime is 102231798901. The next prime is 102231798917. The reversal of 102231798916 is 619897132201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45160500100 + 57071298816 = 212510^2 + 238896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102231798916.

It is not an unprimeable number, because it can be changed into a prime (102231798917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167026 + ... + 482038.

Almost surely, 2102231798916 is an apocalyptic number.

It is an amenable number.

102231798916 is a deficient number, since it is larger than the sum of its proper divisors (92906143496).

102231798916 is a wasteful number, since it uses less digits than its factorization.

102231798916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315188 (or 315107 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 102231798916 in words is "one hundred two billion, two hundred thirty-one million, seven hundred ninety-eight thousand, nine hundred sixteen".

Divisors: 1 2 4 13 26 52 79 158 316 1027 2054 4108 6241 12482 24964 81133 162266 315013 324532 630026 1260052 4095169 8190338 16380676 24886027 49772054 99544108 323518351 647036702 1294073404 1965996133 3931992266 7863984532 25557949729 51115899458 102231798916