Base | Representation |
---|---|
bin | 1111101001111… |
… | …10011011101101 |
3 | 100011010010202211 |
4 | 13310332123231 |
5 | 232104441400 |
6 | 21010450421 |
7 | 3153160444 |
oct | 764763355 |
9 | 304103684 |
10 | 131327725 |
11 | 68149511 |
12 | 37b93a11 |
13 | 21291c19 |
14 | 13627d5b |
15 | b7e1dba |
hex | 7d3e6ed |
131327725 has 6 divisors (see below), whose sum is σ = 162846410. Its totient is φ = 105062160.
The previous prime is 131327717. The next prime is 131327731. The reversal of 131327725 is 527723131.
It can be written as a sum of positive squares in 3 ways, for example, as 19044 + 131308681 = 138^2 + 11459^2 .
It is not a de Polignac number, because 131327725 - 23 = 131327717 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2626530 + ... + 2626579.
Almost surely, 2131327725 is an apocalyptic number.
It is an amenable number.
131327725 is a deficient number, since it is larger than the sum of its proper divisors (31518685).
131327725 is an equidigital number, since it uses as much as digits as its factorization.
131327725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5253119 (or 5253114 counting only the distinct ones).
The product of its digits is 8820, while the sum is 31.
The square root of 131327725 is about 11459.8309324353. The cubic root of 131327725 is about 508.2984753188.
The spelling of 131327725 in words is "one hundred thirty-one million, three hundred twenty-seven thousand, seven hundred twenty-five".
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