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108047856959 = 7294391212427
BaseRepresentation
bin110010010100000100…
…1110111010100111111
3101022220001002211112222
41210220021313110333
53232240222410314
6121345252315555
710543345426220
oct1445011672477
9338801084488
10108047856959
1141906220159
1218b35012bbb
13a25bc3a693
14532dc25247
152c25a39c8e
hex192827753f

108047856959 has 16 divisors (see below), whose sum is σ = 128032396800. Its totient is φ = 89215154784.

The previous prime is 108047856949. The next prime is 108047856967. The reversal of 108047856959 is 959658740801.

It is not a de Polignac number, because 108047856959 - 28 = 108047856703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108047856949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517097 + ... + 695330.

It is an arithmetic number, because the mean of its divisors is an integer number (8002024800).

Almost surely, 2108047856959 is an apocalyptic number.

108047856959 is a deficient number, since it is larger than the sum of its proper divisors (19984539841).

108047856959 is a wasteful number, since it uses less digits than its factorization.

108047856959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212902.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 108047856959 in words is "one hundred eight billion, forty-seven million, eight hundred fifty-six thousand, nine hundred fifty-nine".

Divisors: 1 7 29 203 439 3073 12731 89117 1212427 8486989 35160383 246122681 532255453 3725788171 15435408137 108047856959