Base | Representation |
---|---|
bin | 11001001100010110… |
… | …11001101110000001 |
3 | 1021220121110210002121 |
4 | 30212023121232001 |
5 | 210200002100100 |
6 | 10114040444241 |
7 | 656113134010 |
oct | 144613315601 |
9 | 37817423077 |
10 | 13525425025 |
11 | 5810828012 |
12 | 2755779681 |
13 | 13771b9598 |
14 | 92445ca77 |
15 | 54263d51a |
hex | 3262d9b81 |
13525425025 has 24 divisors (see below), whose sum is σ = 20176278080. Its totient is φ = 8786439360.
The previous prime is 13525424993. The next prime is 13525425031. The reversal of 13525425025 is 52052452531.
It is not a de Polignac number, because 13525425025 - 25 = 13525424993 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2030574 + ... + 2037223.
Almost surely, 213525425025 is an apocalyptic number.
It is an amenable number.
13525425025 is a deficient number, since it is larger than the sum of its proper divisors (6650853055).
13525425025 is a wasteful number, since it uses less digits than its factorization.
13525425025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4067833 (or 4067828 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 34.
Adding to 13525425025 its reverse (52052452531), we get a palindrome (65577877556).
The spelling of 13525425025 in words is "thirteen billion, five hundred twenty-five million, four hundred twenty-five thousand, twenty-five".
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