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13520524404 = 2234723972561
BaseRepresentation
bin11001001011110001…
…01101010001110100
31021220021020210201010
430211320231101310
5210142223240104
610113343432220
7656023363332
oct144570552164
937807223633
1013520524404
115808a90112
122753bb5670
131376191aca
14923944b52
15541ec1489
hex325e2d474

13520524404 has 24 divisors (see below), whose sum is σ = 32219123328. Its totient is φ = 4410951040.

The previous prime is 13520524403. The next prime is 13520524421. The reversal of 13520524404 is 40442502531.

13520524404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520524403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11985717 + ... + 11986844.

It is an arithmetic number, because the mean of its divisors is an integer number (1342463472).

Almost surely, 213520524404 is an apocalyptic number.

It is an amenable number.

13520524404 is an abundant number, since it is smaller than the sum of its proper divisors (18698598924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13520524404 is a wasteful number, since it uses less digits than its factorization.

13520524404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23972615 (or 23972613 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 13520524404 in words is "thirteen billion, five hundred twenty million, five hundred twenty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 23972561 47945122 71917683 95890244 143835366 287670732 1126710367 2253420734 3380131101 4506841468 6760262202 13520524404