Base | Representation |
---|---|
bin | 10111010110100011… |
… | …00010110100100101 |
3 | 1012100201220200222212 |
4 | 23223101202310211 |
5 | 201134004220204 |
6 | 5432015133205 |
7 | 622453160345 |
oct | 135321426445 |
9 | 35321820885 |
10 | 12537179429 |
11 | 5353a02515 |
12 | 251a814205 |
13 | 124a536688 |
14 | 86d0d0d25 |
15 | 4d59cec6e |
hex | 2eb462d25 |
12537179429 has 2 divisors, whose sum is σ = 12537179430. Its totient is φ = 12537179428.
The previous prime is 12537179401. The next prime is 12537179441. The reversal of 12537179429 is 92497173521.
It is a happy number.
12537179429 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 can be written as a sum of positive squares in only one way, i.e., 9404538529 + 3132640900 = 96977^2 + 55970^2 .
It is a cyclic number.
It is not a de Polignac number, because 12537179429 - 220 = 12536130853 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12537179489) 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, 6268589714 + 6268589715.
It is an arithmetic number, because the mean of its divisors is an integer number (6268589715).
Almost surely, 212537179429 is an apocalyptic number.
It is an amenable number.
12537179429 is a deficient number, since it is larger than the sum of its proper divisors (1).
12537179429 is an equidigital number, since it uses as much as digits as its factorization.
12537179429 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 952560, while the sum is 50.
The spelling of 12537179429 in words is "twelve billion, five hundred thirty-seven million, one hundred seventy-nine thousand, four hundred twenty-nine".
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