Base | Representation |
---|---|
bin | 11000011100101001… |
… | …10111010000100011 |
3 | 1020212201110220002022 |
4 | 30032110313100203 |
5 | 203340031032011 |
6 | 10010223412055 |
7 | 643153542125 |
oct | 141624672043 |
9 | 36781426068 |
10 | 13125252131 |
11 | 5625954212 |
12 | 266375402b |
13 | 13123173a4 |
14 | 8c7251215 |
15 | 51c4438db |
hex | 30e537423 |
13125252131 has 2 divisors, whose sum is σ = 13125252132. Its totient is φ = 13125252130.
The previous prime is 13125252073. The next prime is 13125252137.
13125252131 is nontrivially palindromic in base 10.
It is a strong prime.
It is a palprime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13125252131 is a prime.
It is a super-2 number, since 2×131252521312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13125252131.
It is not a weakly prime, because it can be changed into another prime (13125252137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562626065 + 6562626066.
It is an arithmetic number, because the mean of its divisors is an integer number (6562626066).
Almost surely, 213125252131 is an apocalyptic number.
13125252131 is a deficient number, since it is larger than the sum of its proper divisors (1).
13125252131 is an equidigital number, since it uses as much as digits as its factorization.
13125252131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1800, while the sum is 26.
The spelling of 13125252131 in words is "thirteen billion, one hundred twenty-five million, two hundred fifty-two thousand, one hundred thirty-one".
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