Base | Representation |
---|---|
bin | 110001111111… |
… | …011100010001 |
3 | 220122210120011 |
4 | 301333130101 |
5 | 11323324123 |
6 | 1144514521 |
7 | 216250513 |
oct | 61773421 |
9 | 26583504 |
10 | 13104913 |
11 | 7440a08 |
12 | 447ba41 |
13 | 293abb3 |
14 | 1a51bb3 |
15 | 123ce0d |
hex | c7f711 |
13104913 has 2 divisors, whose sum is σ = 13104914. Its totient is φ = 13104912.
The previous prime is 13104911. The next prime is 13104929. The reversal of 13104913 is 31940131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8661249 + 4443664 = 2943^2 + 2108^2 .
It is a cyclic number.
It is not a de Polignac number, because 13104913 - 21 = 13104911 is a prime.
Together with 13104911, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (13104911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552456 + 6552457.
It is an arithmetic number, because the mean of its divisors is an integer number (6552457).
Almost surely, 213104913 is an apocalyptic number.
It is an amenable number.
13104913 is a deficient number, since it is larger than the sum of its proper divisors (1).
13104913 is an equidigital number, since it uses as much as digits as its factorization.
13104913 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 13104913 is about 3620.0708556601. The cubic root of 13104913 is about 235.7643019317.
The spelling of 13104913 in words is "thirteen million, one hundred four thousand, nine hundred thirteen".
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