Base | Representation |
---|---|
bin | 11000100000011111… |
… | …00001100010100010 |
3 | 1020221221222112010000 |
4 | 30100033201202202 |
5 | 203421244010012 |
6 | 10013332520430 |
7 | 644024053554 |
oct | 142017414242 |
9 | 36857875100 |
10 | 13157406882 |
11 | 5642016594 |
12 | 2672480116 |
13 | 1318b95079 |
14 | 8cb6214d4 |
15 | 520195ddc |
hex | 3103e18a2 |
13157406882 has 40 divisors (see below), whose sum is σ = 29524650012. Its totient is φ = 4379508000.
The previous prime is 13157406863. The next prime is 13157406929. The reversal of 13157406882 is 28860475131.
13157406882 is a `hidden beast` number, since 13 + 1 + 574 + 0 + 68 + 8 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 12861601281 + 295805601 = 113409^2 + 17199^2 .
It is a super-3 number, since 3×131574068823 (a number of 31 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55632 + ... + 171492.
Almost surely, 213157406882 is an apocalyptic number.
13157406882 is an abundant number, since it is smaller than the sum of its proper divisors (16367243130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13157406882 is a wasteful number, since it uses less digits than its factorization.
13157406882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116576 (or 116567 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The spelling of 13157406882 in words is "thirteen billion, one hundred fifty-seven million, four hundred six thousand, eight hundred eighty-two".
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