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13720631105 = 519959923021
BaseRepresentation
bin11001100011101000…
…00011011101000001
31022102012210021111102
430301310003131001
5211044440143410
610145252424145
7664003303646
oct146164033501
938365707442
1013720631105
115900a36255
1227ab018055
1313a878583c
14942353dcd
1555484c2a5
hex331d03741

13720631105 has 16 divisors (see below), whose sum is σ = 16575840000. Its totient is φ = 10902640320.

The previous prime is 13720631059. The next prime is 13720631159. The reversal of 13720631105 is 50113602731.

It is not a de Polignac number, because 13720631105 - 226 = 13653522241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584495 + ... + 607515.

It is an arithmetic number, because the mean of its divisors is an integer number (1035990000).

Almost surely, 213720631105 is an apocalyptic number.

It is an amenable number.

13720631105 is a deficient number, since it is larger than the sum of its proper divisors (2855208895).

13720631105 is a wasteful number, since it uses less digits than its factorization.

13720631105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23824.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 13720631105 in words is "thirteen billion, seven hundred twenty million, six hundred thirty-one thousand, one hundred five".

Divisors: 1 5 199 599 995 2995 23021 115105 119201 596005 4581179 13789579 22905895 68947895 2744126221 13720631105