Base | Representation |
---|---|
bin | 1111101010100… |
… | …00100010111000 |
3 | 100011020220112111 |
4 | 13311100202320 |
5 | 232114330122 |
6 | 21012222104 |
7 | 3153616645 |
oct | 765204270 |
9 | 304226474 |
10 | 131401912 |
11 | 6819a224 |
12 | 3800a934 |
13 | 212b9915 |
14 | 13646dcc |
15 | b808d77 |
hex | 7d508b8 |
131401912 has 16 divisors (see below), whose sum is σ = 246501360. Its totient is φ = 65668224.
The previous prime is 131401903. The next prime is 131401957. The reversal of 131401912 is 219104131.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25888 + ... + 30544.
It is an arithmetic number, because the mean of its divisors is an integer number (15406335).
Almost surely, 2131401912 is an apocalyptic number.
It is an amenable number.
131401912 is a deficient number, since it is larger than the sum of its proper divisors (115099448).
131401912 is a wasteful number, since it uses less digits than its factorization.
131401912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8190 (or 8186 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 131401912 is about 11463.0673033006. The cubic root of 131401912 is about 508.3941698636.
The spelling of 131401912 in words is "one hundred thirty-one million, four hundred one thousand, nine hundred twelve".
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