Base | Representation |
---|---|
bin | 11000111010110111… |
… | …01000100101111011 |
3 | 1021112101100122001020 |
4 | 30131123220211323 |
5 | 204344420412212 |
6 | 10051315353523 |
7 | 652351643301 |
oct | 143533504573 |
9 | 37471318036 |
10 | 13378685307 |
11 | 5745a12319 |
12 | 27145b28a3 |
13 | 135298c650 |
14 | 90cb82271 |
15 | 534804d8c |
hex | 31d6e897b |
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".
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