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13525331542 = 243157271297
BaseRepresentation
bin11001001100010110…
…00010111001010110
31021220121022000212021
430212023002321112
5210144441102132
610114034443354
7656112264322
oct144613027126
937817260767
1013525331542
115810773858
12275573355a
131377185b78
14924436982
15542620997
hex3262c2e56

13525331542 has 8 divisors (see below), whose sum is σ = 20759811336. Its totient is φ = 6605394432.

The previous prime is 13525331497. The next prime is 13525331549. The reversal of 13525331542 is 24513352531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13525331498 and 13525331507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525331549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78635563 + ... + 78635734.

It is an arithmetic number, because the mean of its divisors is an integer number (2594976417).

Almost surely, 213525331542 is an apocalyptic number.

13525331542 is a deficient number, since it is larger than the sum of its proper divisors (7234479794).

13525331542 is a wasteful number, since it uses less digits than its factorization.

13525331542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157271342.

The product of its digits is 54000, while the sum is 34.

The spelling of 13525331542 in words is "thirteen billion, five hundred twenty-five million, three hundred thirty-one thousand, five hundred forty-two".

Divisors: 1 2 43 86 157271297 314542594 6762665771 13525331542