Base | Representation |
---|---|
bin | 1111101000100… |
… | …10011000000100 |
3 | 100010202222020020 |
4 | 13310102120010 |
5 | 232033203033 |
6 | 21002535140 |
7 | 3151506360 |
oct | 764223004 |
9 | 303688206 |
10 | 131147268 |
11 | 6803597a |
12 | 37b074b0 |
13 | 2122aa45 |
14 | 135bc2a0 |
15 | b7a86b3 |
hex | 7d12604 |
131147268 has 48 divisors (see below), whose sum is σ = 354170880. Its totient is φ = 36994464.
The previous prime is 131147239. The next prime is 131147293. The reversal of 131147268 is 862741131.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3246 + ... + 16517.
It is an arithmetic number, because the mean of its divisors is an integer number (7378560).
Almost surely, 2131147268 is an apocalyptic number.
It is an amenable number.
131147268 is an abundant number, since it is smaller than the sum of its proper divisors (223023612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131147268 is a wasteful number, since it uses less digits than its factorization.
131147268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19856 (or 19854 counting only the distinct ones).
The product of its digits is 8064, while the sum is 33.
The square root of 131147268 is about 11451.9547676368. The cubic root of 131147268 is about 508.0655515054.
Adding to 131147268 its reverse (862741131), we get a palindrome (993888399).
The spelling of 131147268 in words is "one hundred thirty-one million, one hundred forty-seven thousand, two hundred sixty-eight".
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