Base | Representation |
---|---|
bin | 10111101100001000… |
… | …01011111001000101 |
3 | 1012211100120212120221 |
4 | 23312010023321011 |
5 | 202021331231023 |
6 | 5502003424341 |
7 | 630112101022 |
oct | 136604137105 |
9 | 35740525527 |
10 | 12718227013 |
11 | 5437120218 |
12 | 256b3850b1 |
13 | 1278bb631b |
14 | 88917c549 |
15 | 4e684385d |
hex | 2f610be45 |
12718227013 has 2 divisors, whose sum is σ = 12718227014. Its totient is φ = 12718227012.
The previous prime is 12718226981. The next prime is 12718227031. The reversal of 12718227013 is 31072281721.
12718227013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with next prime (12718227031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12144480804 + 573746209 = 110202^2 + 23953^2 .
It is a cyclic number.
It is not a de Polignac number, because 12718227013 - 25 = 12718226981 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12718227013.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12718227073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6359113506 + 6359113507.
It is an arithmetic number, because the mean of its divisors is an integer number (6359113507).
Almost surely, 212718227013 is an apocalyptic number.
It is an amenable number.
12718227013 is a deficient number, since it is larger than the sum of its proper divisors (1).
12718227013 is an equidigital number, since it uses as much as digits as its factorization.
12718227013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9408, while the sum is 34.
The spelling of 12718227013 in words is "twelve billion, seven hundred eighteen million, two hundred twenty-seven thousand, thirteen".
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