Base | Representation |
---|---|
bin | 1111101000011… |
… | …10001010110100 |
3 | 100010202002121000 |
4 | 13310032022310 |
5 | 232032130121 |
6 | 21002323300 |
7 | 3151405212 |
oct | 764161264 |
9 | 303662530 |
10 | 131130036 |
11 | 68023a34 |
12 | 37ab9530 |
13 | 21222c4b |
14 | 135b5cb2 |
15 | b7a3526 |
hex | 7d0e2b4 |
131130036 has 24 divisors (see below), whose sum is σ = 339967040. Its totient is φ = 43709976.
The previous prime is 131130029. The next prime is 131130071. The reversal of 131130036 is 630031131.
It is a super-2 number, since 2×1311300362 = 34390172682722592, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606976 + ... + 607191.
Almost surely, 2131130036 is an apocalyptic number.
It is an amenable number.
131130036 is an abundant number, since it is smaller than the sum of its proper divisors (208837004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131130036 is a wasteful number, since it uses less digits than its factorization.
131130036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1214180 (or 1214172 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 131130036 is about 11451.2023822828. The cubic root of 131130036 is about 508.0432982294.
Adding to 131130036 its reverse (630031131), we get a palindrome (761161167).
The spelling of 131130036 in words is "one hundred thirty-one million, one hundred thirty thousand, thirty-six".
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