Base | Representation |
---|---|
bin | 110001101001… |
… | …110111001101 |
3 | 220111022022112 |
4 | 301221313031 |
5 | 11313012100 |
6 | 1142553405 |
7 | 215432024 |
oct | 61516715 |
9 | 26438275 |
10 | 13016525 |
11 | 7390565 |
12 | 4438865 |
13 | 29098b2 |
14 | 1a2b8bb |
15 | 1221b35 |
hex | c69dcd |
13016525 has 12 divisors (see below), whose sum is σ = 16204692. Its totient is φ = 10371840.
The previous prime is 13016519. The next prime is 13016561. The reversal of 13016525 is 52561031.
It can be written as a sum of positive squares in 6 ways, for example, as 243049 + 12773476 = 493^2 + 3574^2 .
It is not a de Polignac number, because 13016525 - 210 = 13015501 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13016525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6437 + ... + 8213.
It is an arithmetic number, because the mean of its divisors is an integer number (1350391).
Almost surely, 213016525 is an apocalyptic number.
It is an amenable number.
13016525 is a deficient number, since it is larger than the sum of its proper divisors (3188167).
13016525 is a wasteful number, since it uses less digits than its factorization.
13016525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2080 (or 2075 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 13016525 is about 3607.8421528664. The cubic root of 13016525 is about 235.2330568578.
Adding to 13016525 its reverse (52561031), we get a palindrome (65577556).
The spelling of 13016525 in words is "thirteen million, sixteen thousand, five hundred twenty-five".
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