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13378685307 = 313946336251
BaseRepresentation
bin11000111010110111…
…01000100101111011
31021112101100122001020
430131123220211323
5204344420412212
610051315353523
7652351643301
oct143533504573
937471318036
1013378685307
115745a12319
1227145b28a3
13135298c650
1490cb82271
15534804d8c
hex31d6e897b

13378685307 has 16 divisors (see below), whose sum is σ = 19212979968. Its totient is φ = 8231940000.

The previous prime is 13378685261. The next prime is 13378685377. The reversal of 13378685307 is 70358687331.

It is not a de Polignac number, because 13378685307 - 28 = 13378685051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13378685307.

It is not an unprimeable number, because it can be changed into a prime (13378685377) 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, 350932 + ... + 387182.

It is an arithmetic number, because the mean of its divisors is an integer number (1200811248).

Almost surely, 213378685307 is an apocalyptic number.

13378685307 is a deficient number, since it is larger than the sum of its proper divisors (5834294661).

13378685307 is a wasteful number, since it uses less digits than its factorization.

13378685307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45730.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 13378685307 in words is "thirteen billion, three hundred seventy-eight million, six hundred eighty-five thousand, three hundred seven".

Divisors: 1 3 13 39 9463 28389 36251 108753 123019 369057 471263 1413789 343043213 1029129639 4459561769 13378685307