Base | Representation |
---|---|
bin | 1111101000011… |
… | …10001101111000 |
3 | 100010202002212021 |
4 | 13310032031320 |
5 | 232032131412 |
6 | 21002324224 |
7 | 3151405612 |
oct | 764161570 |
9 | 303662767 |
10 | 131130232 |
11 | 680240a2 |
12 | 37ab9674 |
13 | 2122306c |
14 | 135b5db2 |
15 | b7a3607 |
hex | 7d0e378 |
131130232 has 16 divisors (see below), whose sum is σ = 246144600. Its totient is φ = 65491680.
The previous prime is 131130211. The next prime is 131130239. The reversal of 131130232 is 232031131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131130239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182 + ... + 16237.
Almost surely, 2131130232 is an apocalyptic number.
It is an amenable number.
131130232 is a deficient number, since it is larger than the sum of its proper divisors (115014368).
131130232 is a wasteful number, since it uses less digits than its factorization.
131130232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18366 (or 18362 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 131130232 is about 11451.2109403329. The cubic root of 131130232 is about 508.0435513533.
Adding to 131130232 its reverse (232031131), we get a palindrome (363161363).
The spelling of 131130232 in words is "one hundred thirty-one million, one hundred thirty thousand, two hundred thirty-two".
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