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518686113 = 31179198959
BaseRepresentation
bin11110111010101…
…000010110100001
31100010222222120210
4132322220112201
52030240423423
6123245124333
715565521261
oct3672502641
91303888523
10518686113
1124686a610
121258596a9
13835c847a
144cc5b7a1
1530809b93
hex1eea85a1

518686113 has 16 divisors (see below), whose sum is σ = 764006400. Its totient is φ = 310374480.

The previous prime is 518686067. The next prime is 518686117. The reversal of 518686113 is 311686815.

It is not a de Polignac number, because 518686113 - 214 = 518669729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (518686117) 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, 96873 + ... + 102086.

It is an arithmetic number, because the mean of its divisors is an integer number (47750400).

Almost surely, 2518686113 is an apocalyptic number.

It is an amenable number.

518686113 is a deficient number, since it is larger than the sum of its proper divisors (245320287).

518686113 is a wasteful number, since it uses less digits than its factorization.

518686113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199052.

The product of its digits is 34560, while the sum is 39.

The square root of 518686113 is about 22774.6814028210. The cubic root of 518686113 is about 803.4673010891.

The spelling of 518686113 in words is "five hundred eighteen million, six hundred eighty-six thousand, one hundred thirteen".

Divisors: 1 3 11 33 79 237 869 2607 198959 596877 2188549 6565647 15717761 47153283 172895371 518686113