Base | Representation |
---|---|
bin | 1101000000100… |
… | …11010010100001 |
3 | 21121100102110200 |
4 | 12200103102201 |
5 | 210414142123 |
6 | 14455015413 |
7 | 2463411633 |
oct | 640232241 |
9 | 247312420 |
10 | 109130913 |
11 | 56668741 |
12 | 3066a569 |
13 | 197bc908 |
14 | 106caa53 |
15 | 98aa143 |
hex | 68134a1 |
109130913 has 6 divisors (see below), whose sum is σ = 157633554. Its totient is φ = 72753936.
The previous prime is 109130899. The next prime is 109130921. The reversal of 109130913 is 319031901.
It can be written as a sum of positive squares in only one way, i.e., 76947984 + 32182929 = 8772^2 + 5673^2 .
It is not a de Polignac number, because 109130913 - 24 = 109130897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (109130953) 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, 6062820 + ... + 6062837.
It is an arithmetic number, because the mean of its divisors is an integer number (26272259).
Almost surely, 2109130913 is an apocalyptic number.
It is an amenable number.
109130913 is a deficient number, since it is larger than the sum of its proper divisors (48502641).
109130913 is a wasteful number, since it uses less digits than its factorization.
109130913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12125663 (or 12125660 counting only the distinct ones).
The product of its (nonzero) digits is 729, while the sum is 27.
The square root of 109130913 is about 10446.5742231604. The cubic root of 109130913 is about 477.8767809118.
The spelling of 109130913 in words is "one hundred nine million, one hundred thirty thousand, nine hundred thirteen".
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