Base | Representation |
---|---|
bin | 11000010110001000… |
… | …00111000000010011 |
3 | 1020201220111122102022 |
4 | 30023010013000103 |
5 | 203232023403111 |
6 | 10000550442055 |
7 | 641620442114 |
oct | 141304070023 |
9 | 36656448368 |
10 | 13070528531 |
11 | 55a7a775a5 |
12 | 264936332b |
13 | 1303b96c68 |
14 | 8bdc8820b |
15 | 5177342db |
hex | 30b107013 |
13070528531 has 2 divisors, whose sum is σ = 13070528532. Its totient is φ = 13070528530.
The previous prime is 13070528509. The next prime is 13070528533. The reversal of 13070528531 is 13582507031.
It is a strong prime.
It is an emirp because it is prime and its reverse (13582507031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13070528531 - 210 = 13070527507 is a prime.
It is a super-2 number, since 2×130705285312 (a number of 21 digits) contains 22 as substring.
Together with 13070528533, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 13070528491 and 13070528500.
It is not a weakly prime, because it can be changed into another prime (13070528533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535264265 + 6535264266.
It is an arithmetic number, because the mean of its divisors is an integer number (6535264266).
Almost surely, 213070528531 is an apocalyptic number.
13070528531 is a deficient number, since it is larger than the sum of its proper divisors (1).
13070528531 is an equidigital number, since it uses as much as digits as its factorization.
13070528531 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25200, while the sum is 35.
The spelling of 13070528531 in words is "thirteen billion, seventy million, five hundred twenty-eight thousand, five hundred thirty-one".
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