Base | Representation |
---|---|
bin | 1111101100110… |
… | …01000110100010 |
3 | 100011211000012200 |
4 | 13312121012202 |
5 | 232203332411 |
6 | 21022434030 |
7 | 3156265260 |
oct | 766310642 |
9 | 304730180 |
10 | 131699106 |
11 | 68382540 |
12 | 38132916 |
13 | 21391c86 |
14 | 136c3430 |
15 | b866e56 |
hex | 7d991a2 |
131699106 has 48 divisors (see below), whose sum is σ = 355762368. Its totient is φ = 34207200.
The previous prime is 131699077. The next prime is 131699111. The reversal of 131699106 is 601996131.
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, 46125 + ... + 48896.
It is an arithmetic number, because the mean of its divisors is an integer number (7411716).
Almost surely, 2131699106 is an apocalyptic number.
131699106 is an abundant number, since it is smaller than the sum of its proper divisors (224063262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131699106 is a wasteful number, since it uses less digits than its factorization.
131699106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95047 (or 95044 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The square root of 131699106 is about 11476.0230916463. The cubic root of 131699106 is about 508.7771625934. Note that the first 3 decimals are identical.
The spelling of 131699106 in words is "one hundred thirty-one million, six hundred ninety-nine thousand, one hundred six".
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