Base | Representation |
---|---|
bin | 1111101000000… |
… | …11010101110011 |
3 | 100010122211202022 |
4 | 13310003111303 |
5 | 232024220213 |
6 | 21001342055 |
7 | 3151132001 |
oct | 764032563 |
9 | 303584668 |
10 | 131085683 |
11 | 67aa3683 |
12 | 37a9792b |
13 | 212089c1 |
14 | 135a3a71 |
15 | b795308 |
hex | 7d03573 |
131085683 has 2 divisors, whose sum is σ = 131085684. Its totient is φ = 131085682.
The previous prime is 131085673. The next prime is 131085749. The reversal of 131085683 is 386580131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131085683 - 220 = 130037107 is a prime.
It is not a weakly prime, because it can be changed into another prime (131085653) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65542841 + 65542842.
It is an arithmetic number, because the mean of its divisors is an integer number (65542842).
Almost surely, 2131085683 is an apocalyptic number.
131085683 is a deficient number, since it is larger than the sum of its proper divisors (1).
131085683 is an equidigital number, since it uses as much as digits as its factorization.
131085683 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 131085683 is about 11449.2656096363. The cubic root of 131085683 is about 507.9860121285.
The spelling of 131085683 in words is "one hundred thirty-one million, eighty-five thousand, six hundred eighty-three".
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