Base | Representation |
---|---|
bin | 1111101110100… |
… | …01001111110011 |
3 | 100012020200200001 |
4 | 13313101033303 |
5 | 232233212300 |
6 | 21031410431 |
7 | 3161243605 |
oct | 767211763 |
9 | 305220601 |
10 | 131929075 |
11 | 6851a2a3 |
12 | 38223a17 |
13 | 21442855 |
14 | 13743175 |
15 | b8b016a |
hex | 7dd13f3 |
131929075 has 6 divisors (see below), whose sum is σ = 163592084. Its totient is φ = 105543240.
The previous prime is 131929073. The next prime is 131929079. The reversal of 131929075 is 570929131.
It is not a de Polignac number, because 131929075 - 21 = 131929073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131929073) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2638557 + ... + 2638606.
Almost surely, 2131929075 is an apocalyptic number.
131929075 is a deficient number, since it is larger than the sum of its proper divisors (31663009).
131929075 is an equidigital number, since it uses as much as digits as its factorization.
131929075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5277173 (or 5277168 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 37.
The square root of 131929075 is about 11486.0382639098. The cubic root of 131929075 is about 509.0731274952.
The spelling of 131929075 in words is "one hundred thirty-one million, nine hundred twenty-nine thousand, seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •