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13979667588 = 2231164972299
BaseRepresentation
bin11010000010100000…
…01100110010000100
31100002021012200202020
431001100030302010
5212112243330323
610231104443140
71003300133235
oct150120146204
940067180666
1013979667588
115a24181197
1228619194b0
13141a340373
1496890308c
1556c468ae3
hex34140cc84

13979667588 has 12 divisors (see below), whose sum is σ = 32619224400. Its totient is φ = 4659889192.

The previous prime is 13979667577. The next prime is 13979667631. The reversal of 13979667588 is 88576697931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×139796675882 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582486138 + ... + 582486161.

It is an arithmetic number, because the mean of its divisors is an integer number (2718268700).

Almost surely, 213979667588 is an apocalyptic number.

It is an amenable number.

13979667588 is an abundant number, since it is smaller than the sum of its proper divisors (18639556812).

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

13979667588 is a wasteful number, since it uses less digits than its factorization.

13979667588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164972306 (or 1164972304 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 69.

The spelling of 13979667588 in words is "thirteen billion, nine hundred seventy-nine million, six hundred sixty-seven thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1164972299 2329944598 3494916897 4659889196 6989833794 13979667588