Base | Representation |
---|---|
bin | 1111101001111… |
… | …11001110100000 |
3 | 100011010022020020 |
4 | 13310333032200 |
5 | 232110042401 |
6 | 21010513440 |
7 | 3153203100 |
oct | 764771640 |
9 | 304108206 |
10 | 131330976 |
11 | 681509a7 |
12 | 37b95880 |
13 | 2129354a |
14 | 13629200 |
15 | b7e2d36 |
hex | 7d3f3a0 |
131330976 has 72 divisors (see below), whose sum is σ = 401042880. Its totient is φ = 37521792.
The previous prime is 131330957. The next prime is 131330977. The reversal of 131330976 is 679033131.
It is a super-2 number, since 2×1313309762 = 34495650514225152, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131330977) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9256 + ... + 18663.
It is an arithmetic number, because the mean of its divisors is an integer number (5570040).
Almost surely, 2131330976 is an apocalyptic number.
131330976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
131330976 is an abundant number, since it is smaller than the sum of its proper divisors (269711904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131330976 is a wasteful number, since it uses less digits than its factorization.
131330976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27946 (or 27931 counting only the distinct ones).
The product of its (nonzero) digits is 10206, while the sum is 33.
The square root of 131330976 is about 11459.9727748368. The cubic root of 131330976 is about 508.3026695708.
The spelling of 131330976 in words is "one hundred thirty-one million, three hundred thirty thousand, nine hundred seventy-six".
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