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13205531130 = 2351140016761
BaseRepresentation
bin11000100110001110…
…00110100111111010
31021002022112111011120
430103013012213322
5204021103444010
610022212210110
7645150106521
oct142307064772
937068474146
1013205531130
1156671a5aa0
122686609936
131325b4475c
148d3b8b4b8
155244eee70
hex3131c69fa

13205531130 has 32 divisors (see below), whose sum is σ = 34574482368. Its totient is φ = 3201340800.

The previous prime is 13205531083. The next prime is 13205531173. The reversal of 13205531130 is 3113550231.

It is a self number, because there is not a number n which added to its sum of digits gives 13205531130.

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, 20008051 + ... + 20008710.

It is an arithmetic number, because the mean of its divisors is an integer number (1080452574).

Almost surely, 213205531130 is an apocalyptic number.

13205531130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13205531130 is an abundant number, since it is smaller than the sum of its proper divisors (21368951238).

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

13205531130 is a wasteful number, since it uses less digits than its factorization.

13205531130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40016782.

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 13205531130 in words is "thirteen billion, two hundred five million, five hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 40016761 80033522 120050283 200083805 240100566 400167610 440184371 600251415 880368742 1200502830 1320553113 2200921855 2641106226 4401843710 6602765565 13205531130