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13709976868 = 2273583136657
BaseRepresentation
bin11001100010010110…
…11010010100100100
31022101110201222122001
430301023122110210
5211034223224433
610144232215044
7663513611020
oct146113322444
938343658561
1013709976868
1158a5a195a5
1227a753a484
1313a64c5263
14940b7d380
1555394557d
hex3312da524

13709976868 has 24 divisors (see below), whose sum is σ = 27427807232. Its totient is φ = 5874021504.

The previous prime is 13709976857. The next prime is 13709976871. The reversal of 13709976868 is 86867990731.

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, 31996 + ... + 168652.

Almost surely, 213709976868 is an apocalyptic number.

It is an amenable number.

13709976868 is an abundant number, since it is smaller than the sum of its proper divisors (13717830364).

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

13709976868 is a wasteful number, since it uses less digits than its factorization.

13709976868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140251 (or 140249 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 13709976868 in words is "thirteen billion, seven hundred nine million, nine hundred seventy-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 3583 7166 14332 25081 50162 100324 136657 273314 546628 956599 1913198 3826396 489642031 979284062 1958568124 3427494217 6854988434 13709976868