Base | Representation |
---|---|
bin | 11000000011010100… |
… | …00101111100000111 |
3 | 1020022220112210212101 |
4 | 30001222011330013 |
5 | 202421123312404 |
6 | 5533152132531 |
7 | 634663152661 |
oct | 140152057407 |
9 | 36286483771 |
10 | 12912713479 |
11 | 5526987836 |
12 | 2604537147 |
13 | 12aa28cb83 |
14 | 8a6d27531 |
15 | 50895e2a4 |
hex | 301a85f07 |
12912713479 has 2 divisors, whose sum is σ = 12912713480. Its totient is φ = 12912713478.
The previous prime is 12912713467. The next prime is 12912713503. The reversal of 12912713479 is 97431721921.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12912713479 - 27 = 12912713351 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12912713179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456356739 + 6456356740.
It is an arithmetic number, because the mean of its divisors is an integer number (6456356740).
Almost surely, 212912713479 is an apocalyptic number.
12912713479 is a deficient number, since it is larger than the sum of its proper divisors (1).
12912713479 is an equidigital number, since it uses as much as digits as its factorization.
12912713479 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 190512, while the sum is 46.
The spelling of 12912713479 in words is "twelve billion, nine hundred twelve million, seven hundred thirteen thousand, four hundred seventy-nine".
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