Base | Representation |
---|---|
bin | 1111101000110… |
… | …10001001101001 |
3 | 100010211120220200 |
4 | 13310122021221 |
5 | 232040212423 |
6 | 21003342413 |
7 | 3152001252 |
oct | 764321151 |
9 | 303746820 |
10 | 131179113 |
11 | 6805789a |
12 | 37b21a09 |
13 | 2123c3a0 |
14 | 135c9b29 |
15 | b7b2d43 |
hex | 7d1a269 |
131179113 has 12 divisors (see below), whose sum is σ = 204056580. Its totient is φ = 80725536.
The previous prime is 131179091. The next prime is 131179117. The reversal of 131179113 is 311971131.
It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 124813584 = 2523^2 + 11172^2 .
It is not a de Polignac number, because 131179113 - 29 = 131178601 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131179117) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560478 + ... + 560711.
It is an arithmetic number, because the mean of its divisors is an integer number (17004715).
Almost surely, 2131179113 is an apocalyptic number.
131179113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131179113 is a deficient number, since it is larger than the sum of its proper divisors (72877467).
131179113 is a wasteful number, since it uses less digits than its factorization.
131179113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121208 (or 1121205 counting only the distinct ones).
The product of its digits is 567, while the sum is 27.
The square root of 131179113 is about 11453.3450572311. The cubic root of 131179113 is about 508.1066707712.
The spelling of 131179113 in words is "one hundred thirty-one million, one hundred seventy-nine thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •