Search a number
-
+
15213000924 = 22321138416669
BaseRepresentation
bin11100010101100001…
…11111100011011100
31110021012221112000200
432022300333203130
5222124012012144
610553323223500
71045664242242
oct161260774334
943235845020
1015213000924
1164a7384840
122b46977b90
131585a05ac4
14a4462c792
155e088ac69
hex38ac3f8dc

15213000924 has 36 divisors (see below), whose sum is σ = 41951003640. Its totient is φ = 4610000160.

The previous prime is 15213000911. The next prime is 15213000961. The reversal of 15213000924 is 42900031251.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×152130009242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19207939 + ... + 19208730.

Almost surely, 215213000924 is an apocalyptic number.

It is an amenable number.

15213000924 is an abundant number, since it is smaller than the sum of its proper divisors (26738002716).

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

15213000924 is a wasteful number, since it uses less digits than its factorization.

15213000924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38416690 (or 38416685 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 15213000924 in words is "fifteen billion, two hundred thirteen million, nine hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 38416669 76833338 115250007 153666676 230500014 345750021 422583359 461000028 691500042 845166718 1267750077 1383000084 1690333436 2535500154 3803250231 5071000308 7606500462 15213000924