Base | Representation |
---|---|
bin | 1011100000010101011000… |
… | …1101101110010100000101 |
3 | 1122210100011222012022221221 |
4 | 2320011112031232110011 |
5 | 3124224424012443434 |
6 | 42523215351440341 |
7 | 2443640615260561 |
oct | 270052615562405 |
9 | 48710158168857 |
10 | 12650125124869 |
11 | 4037984932631 |
12 | 15038193860b1 |
13 | 709b94cb959b |
14 | 31a3ab0446a1 |
15 | 16e0d35ec2b4 |
hex | b815636e505 |
12650125124869 has 2 divisors, whose sum is σ = 12650125124870. Its totient is φ = 12650125124868.
The previous prime is 12650125124849. The next prime is 12650125124893. The reversal of 12650125124869 is 96842152105621.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9186294192100 + 3463830932769 = 3030890^2 + 1861137^2 .
It is a cyclic number.
It is not a de Polignac number, because 12650125124869 - 229 = 12649588253957 is a prime.
It is a super-2 number, since 2×126501251248692 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12650125124849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325062562434 + 6325062562435.
It is an arithmetic number, because the mean of its divisors is an integer number (6325062562435).
Almost surely, 212650125124869 is an apocalyptic number.
It is an amenable number.
12650125124869 is a deficient number, since it is larger than the sum of its proper divisors (1).
12650125124869 is an equidigital number, since it uses as much as digits as its factorization.
12650125124869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2073600, while the sum is 52.
The spelling of 12650125124869 in words is "twelve trillion, six hundred fifty billion, one hundred twenty-five million, one hundred twenty-four thousand, eight hundred sixty-nine".
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