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13318905608 = 231987624379
BaseRepresentation
bin11000110011101111…
…00101111100001000
31021101012212111201022
430121313211330020
5204234114434413
610041342212012
7651024554411
oct143167457410
937335774638
1013318905608
1157151a1a08
1226b8584008
13134348ba48
14904c60808
1552e447608
hex319de5f08

13318905608 has 16 divisors (see below), whose sum is σ = 26287314000. Its totient is φ = 6308955216.

The previous prime is 13318905599. The next prime is 13318905631. The reversal of 13318905608 is 80650981331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43812038 + ... + 43812341.

It is an arithmetic number, because the mean of its divisors is an integer number (1642957125).

Almost surely, 213318905608 is an apocalyptic number.

It is an amenable number.

13318905608 is a deficient number, since it is larger than the sum of its proper divisors (12968408392).

13318905608 is a wasteful number, since it uses less digits than its factorization.

13318905608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87624404 (or 87624400 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 13318905608 in words is "thirteen billion, three hundred eighteen million, nine hundred five thousand, six hundred eight".

Divisors: 1 2 4 8 19 38 76 152 87624379 175248758 350497516 700995032 1664863201 3329726402 6659452804 13318905608