Base | Representation |
---|---|
bin | 1111101100000… |
… | …11000110001111 |
3 | 100011122102120111 |
4 | 13312003012033 |
5 | 232142441400 |
6 | 21020500451 |
7 | 3155441431 |
oct | 766030617 |
9 | 304572514 |
10 | 131608975 |
11 | 68320853 |
12 | 380aa727 |
13 | 2135cc44 |
14 | 1369c651 |
15 | b84a3ba |
hex | 7d8318f |
131608975 has 12 divisors (see below), whose sum is σ = 167176800. Its totient is φ = 102718400.
The previous prime is 131608969. The next prime is 131609011. The reversal of 131608975 is 579806131.
It is not a de Polignac number, because 131608975 - 25 = 131608943 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63175 + ... + 65224.
It is an arithmetic number, because the mean of its divisors is an integer number (13931400).
Almost surely, 2131608975 is an apocalyptic number.
131608975 is a deficient number, since it is larger than the sum of its proper divisors (35567825).
131608975 is a wasteful number, since it uses less digits than its factorization.
131608975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128450 (or 128445 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 40.
The square root of 131608975 is about 11472.0954929777. The cubic root of 131608975 is about 508.6610720575.
The spelling of 131608975 in words is "one hundred thirty-one million, six hundred eight thousand, nine hundred seventy-five".
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