Base | Representation |
---|---|
bin | 1111101000011… |
… | …00111010101010 |
3 | 100010201211120000 |
4 | 13310030322222 |
5 | 232031444111 |
6 | 21002243430 |
7 | 3151354233 |
oct | 764147252 |
9 | 303654500 |
10 | 131124906 |
11 | 680200a0 |
12 | 37ab6576 |
13 | 21220803 |
14 | 135b408a |
15 | b7a1c56 |
hex | 7d0ceaa |
131124906 has 40 divisors (see below), whose sum is σ = 320531904. Its totient is φ = 39734280.
The previous prime is 131124887. The next prime is 131124923. The reversal of 131124906 is 609421131.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 131124906.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35010 + ... + 38573.
Almost surely, 2131124906 is an apocalyptic number.
131124906 is an abundant number, since it is smaller than the sum of its proper divisors (189406998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131124906 is a wasteful number, since it uses less digits than its factorization.
131124906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73608 (or 73599 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 131124906 is about 11450.9783861467. The cubic root of 131124906 is about 508.0366730092.
The spelling of 131124906 in words is "one hundred thirty-one million, one hundred twenty-four thousand, nine hundred six".
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