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23115532232 = 2313972291389
BaseRepresentation
bin10101100001110010…
…110000011111001000
32012122221221201000102
4111201302300133020
5334320034012412
614341422024532
71445552532152
oct254162603710
965587851012
1023115532232
11989212a551
124591418148
132244cb0630
141193da3ad2
159045318c2
hex561cb07c8

23115532232 has 32 divisors (see below), whose sum is σ = 47156806200. Its totient is φ = 10558715904.

The previous prime is 23115532169. The next prime is 23115532241. The reversal of 23115532232 is 23223551132.

It can be written as a sum of positive squares in 4 ways, for example, as 19640901316 + 3474630916 = 140146^2 + 58946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23115532195 and 23115532204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135607 + ... + 1155782.

Almost surely, 223115532232 is an apocalyptic number.

It is an amenable number.

23115532232 is an abundant number, since it is smaller than the sum of its proper divisors (24041273968).

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

23115532232 is a wasteful number, since it uses less digits than its factorization.

23115532232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291505 (or 2291501 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The spelling of 23115532232 in words is "twenty-three billion, one hundred fifteen million, five hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 10088 2291389 4582778 9165556 18331112 29788057 59576114 119152228 222264733 238304456 444529466 889058932 1778117864 2889441529 5778883058 11557766116 23115532232