Base | Representation |
---|---|
bin | 110001111011… |
… | …000001011011 |
3 | 220121212201201 |
4 | 301323001123 |
5 | 11322234221 |
6 | 1144255031 |
7 | 216143653 |
oct | 61730133 |
9 | 26555651 |
10 | 13086811 |
11 | 7429351 |
12 | 4471477 |
13 | 293289a |
14 | 1a49363 |
15 | 1237891 |
hex | c7b05b |
13086811 has 2 divisors, whose sum is σ = 13086812. Its totient is φ = 13086810.
The previous prime is 13086809. The next prime is 13086841. The reversal of 13086811 is 11868031.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13086811 - 21 = 13086809 is a prime.
Together with 13086809, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13086811.
It is not a weakly prime, because it can be changed into another prime (13086841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6543405 + 6543406.
It is an arithmetic number, because the mean of its divisors is an integer number (6543406).
Almost surely, 213086811 is an apocalyptic number.
13086811 is a deficient number, since it is larger than the sum of its proper divisors (1).
13086811 is an equidigital number, since it uses as much as digits as its factorization.
13086811 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 13086811 is about 3617.5697643584. The cubic root of 13086811 is about 235.6556970656.
The spelling of 13086811 in words is "thirteen million, eighty-six thousand, eight hundred eleven".
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