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13657590268 = 2272312247793
BaseRepresentation
bin11001011100000111…
…00100100111111100
31022020211011110201121
430232003210213330
5210432320342033
610135121320324
7662306413300
oct145603444774
938224143647
1013657590268
115879398793
122791a960a4
1313986b277a
14937c23d00
1554e04862d
hex32e0e49fc

13657590268 has 36 divisors (see below), whose sum is σ = 28699833792. Its totient is φ = 5664435840.

The previous prime is 13657590253. The next prime is 13657590311. The reversal of 13657590268 is 86209575631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117821 + ... + 1129972.

Almost surely, 213657590268 is an apocalyptic number.

It is an amenable number.

13657590268 is an abundant number, since it is smaller than the sum of its proper divisors (15042243524).

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

13657590268 is a wasteful number, since it uses less digits than its factorization.

13657590268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247842 (or 2247833 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 13657590268 in words is "thirteen billion, six hundred fifty-seven million, five hundred ninety thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 1519 3038 6076 2247793 4495586 8991172 15734551 31469102 62938204 69681583 110141857 139363166 220283714 278726332 440567428 487771081 975542162 1951084324 3414397567 6828795134 13657590268