Base | Representation |
---|---|
bin | 10111101001111101… |
… | …11010100111111101 |
3 | 1012210002102022120211 |
4 | 23310332322213331 |
5 | 202002204141344 |
6 | 5500114312421 |
7 | 626501541223 |
oct | 136476724775 |
9 | 35702368524 |
10 | 12700068349 |
11 | 5427948361 |
12 | 2565288711 |
13 | 12751c9057 |
14 | 8869b2b13 |
15 | 4e4e58334 |
hex | 2f4fba9fd |
12700068349 has 2 divisors, whose sum is σ = 12700068350. Its totient is φ = 12700068348.
The previous prime is 12700068307. The next prime is 12700068379. The reversal of 12700068349 is 94386000721.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10331299449 + 2368768900 = 101643^2 + 48670^2 .
It is a cyclic number.
It is not a de Polignac number, because 12700068349 - 233 = 4110133757 is a prime.
It is a super-2 number, since 2×127000683492 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12700068379) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350034174 + 6350034175.
It is an arithmetic number, because the mean of its divisors is an integer number (6350034175).
Almost surely, 212700068349 is an apocalyptic number.
It is an amenable number.
12700068349 is a deficient number, since it is larger than the sum of its proper divisors (1).
12700068349 is an equidigital number, since it uses as much as digits as its factorization.
12700068349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 40.
The spelling of 12700068349 in words is "twelve billion, seven hundred million, sixty-eight thousand, three hundred forty-nine".
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