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13031714472 = 233777569729
BaseRepresentation
bin11000010001100000…
…00010111010101000
31020122012110200112120
430020300002322220
5203142104330342
65553042511240
7640636513440
oct141060027250
936565420476
1013031714472
115588076a67
122638365520
1312c8b2716a
148b8a63120
15514118aec
hex308c02ea8

13031714472 has 32 divisors (see below), whose sum is σ = 37233470400. Its totient is φ = 3723346944.

The previous prime is 13031714459. The next prime is 13031714477. The reversal of 13031714472 is 27441713031.

It is not an unprimeable number, because it can be changed into a prime (13031714477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38784697 + ... + 38785032.

It is an arithmetic number, because the mean of its divisors is an integer number (1163545950).

Almost surely, 213031714472 is an apocalyptic number.

13031714472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13031714472 is an abundant number, since it is smaller than the sum of its proper divisors (24201755928).

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

13031714472 is a wasteful number, since it uses less digits than its factorization.

13031714472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77569745 (or 77569741 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 13031714472 in words is "thirteen billion, thirty-one million, seven hundred fourteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 77569729 155139458 232709187 310278916 465418374 542988103 620557832 930836748 1085976206 1628964309 1861673496 2171952412 3257928618 4343904824 6515857236 13031714472