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13525191073 = 116311629571
BaseRepresentation
bin11001001100010101…
…00000100110100001
31021220121000220011201
430212022200212201
5210144422103243
610114031441201
7656111140642
oct144612404641
937817026151
1013525191073
115810688269
122755686201
131377136c54
149243db6c9
155425e404d
hex3262a09a1

13525191073 has 4 divisors (see below), whose sum is σ = 13536821808. Its totient is φ = 13513560340.

The previous prime is 13525190957. The next prime is 13525191089. The reversal of 13525191073 is 37019152531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13525191073 - 29 = 13525190561 is a prime.

It is a super-2 number, since 2×135251910732 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13525191373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5813623 + ... + 5815948.

It is an arithmetic number, because the mean of its divisors is an integer number (3384205452).

Almost surely, 213525191073 is an apocalyptic number.

It is an amenable number.

13525191073 is a deficient number, since it is larger than the sum of its proper divisors (11630735).

13525191073 is a wasteful number, since it uses less digits than its factorization.

13525191073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630734.

The product of its (nonzero) digits is 28350, while the sum is 37.

The spelling of 13525191073 in words is "thirteen billion, five hundred twenty-five million, one hundred ninety-one thousand, seventy-three".

Divisors: 1 1163 11629571 13525191073