Base | Representation |
---|---|
bin | 110000101010… |
… | …001001111011 |
3 | 220000001100212 |
4 | 300222021323 |
5 | 11231134304 |
6 | 1133221335 |
7 | 213264164 |
oct | 60521173 |
9 | 26001325 |
10 | 12755579 |
11 | 7222501 |
12 | 433184b |
13 | 2847ba5 |
14 | 19a076b |
15 | 11be66e |
hex | c2a27b |
12755579 has 2 divisors, whose sum is σ = 12755580. Its totient is φ = 12755578.
The previous prime is 12755557. The next prime is 12755581. The reversal of 12755579 is 97555721.
12755579 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 a de Polignac number, because none of the positive numbers 2k-12755579 is a prime.
Together with 12755581, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12755549) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377789 + 6377790.
It is an arithmetic number, because the mean of its divisors is an integer number (6377790).
Almost surely, 212755579 is an apocalyptic number.
12755579 is a deficient number, since it is larger than the sum of its proper divisors (1).
12755579 is an equidigital number, since it uses as much as digits as its factorization.
12755579 is an evil number, because the sum of its binary digits is even.
The product of its digits is 110250, while the sum is 41.
The square root of 12755579 is about 3571.4953450901. The cubic root of 12755579 is about 233.6505058568.
The spelling of 12755579 in words is "twelve million, seven hundred fifty-five thousand, five hundred seventy-nine".
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