Base | Representation |
---|---|
bin | 1111100111111… |
… | …00010011011010 |
3 | 100010121101012201 |
4 | 13303330103122 |
5 | 232022304413 |
6 | 21001000414 |
7 | 3150651652 |
oct | 763742332 |
9 | 303541181 |
10 | 131056858 |
11 | 67a83a59 |
12 | 37a8310a |
13 | 211c884a |
14 | 13597362 |
15 | b78b9dd |
hex | 7cfc4da |
131056858 has 8 divisors (see below), whose sum is σ = 203364180. Its totient is φ = 63268800.
The previous prime is 131056847. The next prime is 131056867. The reversal of 131056858 is 858650131.
It can be written as a sum of positive squares in 2 ways, for example, as 128663649 + 2393209 = 11343^2 + 1547^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129743 + ... + 1129858.
Almost surely, 2131056858 is an apocalyptic number.
131056858 is a deficient number, since it is larger than the sum of its proper divisors (72307322).
131056858 is a wasteful number, since it uses less digits than its factorization.
131056858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2259632.
The product of its (nonzero) digits is 28800, while the sum is 37.
The square root of 131056858 is about 11448.0067260637. The cubic root of 131056858 is about 507.9487749824.
The spelling of 131056858 in words is "one hundred thirty-one million, fifty-six thousand, eight hundred fifty-eight".
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