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13415305656 = 2331274401347
BaseRepresentation
bin11000111111001110…
…10101000110111000
31021121221021010201110
430133213111012320
5204433304240111
610055104320320
7653305134204
oct143747250670
937557233643
1013415305656
115764654775
1227249130a0
13135a441aac
14913995b04
15537b3a5a6
hex31f9d51b8

13415305656 has 32 divisors (see below), whose sum is σ = 33802352640. Its totient is φ = 4436556768.

The previous prime is 13415305649. The next prime is 13415305667. The reversal of 13415305656 is 65650351431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197626 + ... + 2203721.

It is an arithmetic number, because the mean of its divisors is an integer number (1056323520).

Almost surely, 213415305656 is an apocalyptic number.

It is an amenable number.

13415305656 is an abundant number, since it is smaller than the sum of its proper divisors (20387046984).

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

13415305656 is a wasteful number, since it uses less digits than its factorization.

13415305656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401483 (or 4401479 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 13415305656 in words is "thirteen billion, four hundred fifteen million, three hundred five thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 127 254 381 508 762 1016 1524 3048 4401347 8802694 13204041 17605388 26408082 35210776 52816164 105632328 558971069 1117942138 1676913207 2235884276 3353826414 4471768552 6707652828 13415305656