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14639102956 = 2233797108287
BaseRepresentation
bin11011010001000111…
…01111101111101100
31101210020001111000101
431220203233233230
5214440102243311
610420342440444
71025525215312
oct155043575754
941706044011
1014639102956
1162324347a5
122a06733124
1314c3b48bca
149cc31c0b2
155aa2c6ec1
hex3688efbec

14639102956 has 12 divisors (see below), whose sum is σ = 25619424768. Its totient is φ = 7319267312.

The previous prime is 14639102953. The next prime is 14639102969. The reversal of 14639102956 is 65920193641.

It is not an unprimeable number, because it can be changed into a prime (14639102953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81045 + ... + 189331.

It is an arithmetic number, because the mean of its divisors is an integer number (2134952064).

Almost surely, 214639102956 is an apocalyptic number.

It is an amenable number.

14639102956 is a deficient number, since it is larger than the sum of its proper divisors (10980321812).

14639102956 is a wasteful number, since it uses less digits than its factorization.

14639102956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142088 (or 142086 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 14639102956 in words is "fourteen billion, six hundred thirty-nine million, one hundred two thousand, nine hundred fifty-six".

Divisors: 1 2 4 33797 67594 108287 135188 216574 433148 3659775739 7319551478 14639102956