Search a number
-
+
13525054572 = 2231127087881
BaseRepresentation
bin11001001100010011…
…11111010001101100
31021220120202221221010
430212021333101230
5210144403221242
610114024505220
7656110031661
oct144611772154
937816687833
1013525054572
1158105a4757
12275561b210
1313770b9a93
149243a3a68
155425b889c
hex32627f46c

13525054572 has 12 divisors (see below), whose sum is σ = 31558460696. Its totient is φ = 4508351520.

The previous prime is 13525054559. The next prime is 13525054583. The reversal of 13525054572 is 27545052531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13525054572.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563543929 + ... + 563543952.

Almost surely, 213525054572 is an apocalyptic number.

13525054572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13525054572 is an abundant number, since it is smaller than the sum of its proper divisors (18033406124).

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

13525054572 is a wasteful number, since it uses less digits than its factorization.

13525054572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127087888 (or 1127087886 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The spelling of 13525054572 in words is "thirteen billion, five hundred twenty-five million, fifty-four thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 1127087881 2254175762 3381263643 4508351524 6762527286 13525054572