Base | Representation |
---|---|
bin | 110001000101… |
… | …110011001011 |
3 | 220012210200122 |
4 | 301011303023 |
5 | 11243300221 |
6 | 1135453455 |
7 | 214245254 |
oct | 61056313 |
9 | 26183618 |
10 | 12868811 |
11 | 729a58a |
12 | 438728b |
13 | 28875a7 |
14 | 19cdb2b |
15 | 11e2eab |
hex | c45ccb |
12868811 has 2 divisors, whose sum is σ = 12868812. Its totient is φ = 12868810.
The previous prime is 12868787. The next prime is 12868829. The reversal of 12868811 is 11886821.
12868811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12868811 - 218 = 12606667 is a prime.
It is not a weakly prime, because it can be changed into another prime (12868841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434405 + 6434406.
It is an arithmetic number, because the mean of its divisors is an integer number (6434406).
Almost surely, 212868811 is an apocalyptic number.
12868811 is a deficient number, since it is larger than the sum of its proper divisors (1).
12868811 is an equidigital number, since it uses as much as digits as its factorization.
12868811 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6144, while the sum is 35.
The square root of 12868811 is about 3587.3125038112. The cubic root of 12868811 is about 234.3398463661.
The spelling of 12868811 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred eleven".
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