Base | Representation |
---|---|
bin | 111101001001101010… |
… | …0100101010001001000 |
3 | 110112221221222222122021 |
4 | 1322103110211101020 |
5 | 4122421042241120 |
6 | 140154453334224 |
7 | 12326151144046 |
oct | 1722324452110 |
9 | 415857888567 |
10 | 131320665160 |
11 | 50769101443 |
12 | 2154b037374 |
13 | c4ca6968c9 |
14 | 64daa49396 |
15 | 3638c86aaa |
hex | 1e93525448 |
131320665160 has 64 divisors (see below), whose sum is σ = 297245376000. Its totient is φ = 52213430016.
The previous prime is 131320665139. The next prime is 131320665167. The reversal of 131320665160 is 61566023131.
It is not an unprimeable number, because it can be changed into a prime (131320665167) 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, 8772402 + ... + 8787358.
It is an arithmetic number, because the mean of its divisors is an integer number (4644459000).
Almost surely, 2131320665160 is an apocalyptic number.
131320665160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131320665160 is an abundant number, since it is smaller than the sum of its proper divisors (165924710840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131320665160 is a wasteful number, since it uses less digits than its factorization.
131320665160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16270 (or 16266 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 34.
Adding to 131320665160 its reverse (61566023131), we get a palindrome (192886688291).
The spelling of 131320665160 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred sixty-five thousand, one hundred sixty".
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