Base | Representation |
---|---|
bin | 110010000000… |
… | …011011100101 |
3 | 220200000010020 |
4 | 302000123211 |
5 | 11323441330 |
6 | 1144545353 |
7 | 216265362 |
oct | 62003345 |
9 | 26600106 |
10 | 13108965 |
11 | 7443a61 |
12 | 4482259 |
13 | 293c9ac |
14 | 1a53469 |
15 | 123e210 |
hex | c806e5 |
13108965 has 16 divisors (see below), whose sum is σ = 21886848. Its totient is φ = 6687296.
The previous prime is 13108933. The next prime is 13108981. The reversal of 13108965 is 56980131.
It is not a de Polignac number, because 13108965 - 25 = 13108933 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18654 + ... + 19343.
It is an arithmetic number, because the mean of its divisors is an integer number (1367928).
Almost surely, 213108965 is an apocalyptic number.
13108965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13108965 is a deficient number, since it is larger than the sum of its proper divisors (8777883).
13108965 is a wasteful number, since it uses less digits than its factorization.
13108965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38028.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 13108965 is about 3620.6304699596. The cubic root of 13108965 is about 235.7885986339.
The spelling of 13108965 in words is "thirteen million, one hundred eight thousand, nine hundred sixty-five".
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