Base | Representation |
---|---|
bin | 1111100111111… |
… | …01001110001010 |
3 | 100010121120100222 |
4 | 13303331032022 |
5 | 232022414433 |
6 | 21001030042 |
7 | 3150665633 |
oct | 763751612 |
9 | 303546328 |
10 | 131060618 |
11 | 67a86867 |
12 | 37a85322 |
13 | 211ca480 |
14 | 1359888a |
15 | b78cb98 |
hex | 7cfd38a |
131060618 has 8 divisors (see below), whose sum is σ = 211713348. Its totient is φ = 60489504.
The previous prime is 131060609. The next prime is 131060621. The reversal of 131060618 is 816060131.
It can be written as a sum of positive squares in 2 ways, for example, as 91910569 + 39150049 = 9587^2 + 6257^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5040793 = 131060618 / (1 + 3 + 1 + 0 + 6 + 0 + 6 + 1 + 8).
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, 2520371 + ... + 2520422.
Almost surely, 2131060618 is an apocalyptic number.
131060618 is a deficient number, since it is larger than the sum of its proper divisors (80652730).
131060618 is a wasteful number, since it uses less digits than its factorization.
131060618 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5040808.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 131060618 is about 11448.1709456140. The cubic root of 131060618 is about 507.9536325919.
The spelling of 131060618 in words is "one hundred thirty-one million, sixty thousand, six hundred eighteen".
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