Base | Representation |
---|---|
bin | 110000110101… |
… | …001100010111 |
3 | 220002100101101 |
4 | 300311030113 |
5 | 11234111131 |
6 | 1134210531 |
7 | 213543043 |
oct | 60651427 |
9 | 26070341 |
10 | 12800791 |
11 | 7253473 |
12 | 4353a47 |
13 | 2862643 |
14 | 19b3023 |
15 | 11ccc61 |
hex | c35317 |
12800791 has 2 divisors, whose sum is σ = 12800792. Its totient is φ = 12800790.
The previous prime is 12800783. The next prime is 12800797. The reversal of 12800791 is 19700821.
12800791 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 12800791 - 23 = 12800783 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12800797) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400395 + 6400396.
It is an arithmetic number, because the mean of its divisors is an integer number (6400396).
Almost surely, 212800791 is an apocalyptic number.
12800791 is a deficient number, since it is larger than the sum of its proper divisors (1).
12800791 is an equidigital number, since it uses as much as digits as its factorization.
12800791 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 28.
The square root of 12800791 is about 3577.8193079025. The cubic root of 12800791 is about 233.9262374953.
The spelling of 12800791 in words is "twelve million, eight hundred thousand, seven hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •