Base | Representation |
---|---|
bin | 110001111110… |
… | …011101110001 |
3 | 220122121002000 |
4 | 301332131301 |
5 | 11323212123 |
6 | 1144444213 |
7 | 216233040 |
oct | 61763561 |
9 | 26577060 |
10 | 13100913 |
11 | 7438a01 |
12 | 4479669 |
13 | 2939127 |
14 | 1a50557 |
15 | 123bb43 |
hex | c7e771 |
13100913 has 16 divisors (see below), whose sum is σ = 22181760. Its totient is φ = 7486128.
The previous prime is 13100903. The next prime is 13100929. The reversal of 13100913 is 31900131.
It is not a de Polignac number, because 13100913 - 28 = 13100657 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13100903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34470 + ... + 34847.
It is an arithmetic number, because the mean of its divisors is an integer number (1386360).
Almost surely, 213100913 is an apocalyptic number.
It is an amenable number.
13100913 is a deficient number, since it is larger than the sum of its proper divisors (9080847).
13100913 is an equidigital number, since it uses as much as digits as its factorization.
13100913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69333 (or 69327 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 18.
The square root of 13100913 is about 3619.5183381218. The cubic root of 13100913 is about 235.7403121203.
The spelling of 13100913 in words is "thirteen million, one hundred thousand, nine hundred thirteen".
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