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13525425025 = 527194067797
BaseRepresentation
bin11001001100010110…
…11001101110000001
31021220121110210002121
430212023121232001
5210200002100100
610114040444241
7656113134010
oct144613315601
937817423077
1013525425025
115810828012
122755779681
1313771b9598
1492445ca77
1554263d51a
hex3262d9b81

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".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 3325 4067797 20338985 28474579 77288143 101694925 142372895 386440715 541017001 711864475 1932203575 2705085005 13525425025