Base | Representation |
---|---|
bin | 111101000111000101… |
… | …1111100000100110000 |
3 | 110112201221220000100221 |
4 | 1322032023330010300 |
5 | 4122232013410300 |
6 | 140142135022424 |
7 | 12324053646130 |
oct | 1721613740460 |
9 | 415657800327 |
10 | 131234513200 |
11 | 5072450917a |
12 | 2152620aa14 |
13 | c4b589130b |
14 | 64cd420ac0 |
15 | 363141a31a |
hex | 1e8e2fc130 |
131234513200 has 120 divisors (see below), whose sum is σ = 375999291648. Its totient is φ = 43038378240.
The previous prime is 131234513191. The next prime is 131234513227. The reversal of 131234513200 is 2315432131.
It is a happy number.
131234513200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954502 + ... + 1083301.
Almost surely, 2131234513200 is an apocalyptic number.
131234513200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131234513200 is an abundant number, since it is smaller than the sum of its proper divisors (244764778448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131234513200 is a wasteful number, since it uses less digits than its factorization.
131234513200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2037851 (or 2037840 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 131234513200 its reverse (2315432131), we get a palindrome (133549945331).
The spelling of 131234513200 in words is "one hundred thirty-one billion, two hundred thirty-four million, five hundred thirteen thousand, two hundred".
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