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15321130152 = 2331314873133
BaseRepresentation
bin11100100010011010…
…11110010010101000
31110112202102001102220
432101031132102220
5222334202131102
611012144554040
71051446312636
oct162115362250
943482361386
1015321130152
116552418939
122b77022920
1315a22347b3
14a54b38356
155ea0e91bc
hex39135e4a8

15321130152 has 32 divisors (see below), whose sum is σ = 38595221280. Its totient is φ = 5068057280.

The previous prime is 15321130091. The next prime is 15321130169. The reversal of 15321130152 is 25103112351.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433423 + ... + 2439710.

It is an arithmetic number, because the mean of its divisors is an integer number (1206100665).

Almost surely, 215321130152 is an apocalyptic number.

15321130152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15321130152 is an abundant number, since it is smaller than the sum of its proper divisors (23274091128).

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

15321130152 is a wasteful number, since it uses less digits than its factorization.

15321130152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873273 (or 4873269 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 15321130152 in words is "fifteen billion, three hundred twenty-one million, one hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 4873133 9746266 14619399 19492532 29238798 38985064 58477596 116955192 638380423 1276760846 1915141269 2553521692 3830282538 5107043384 7660565076 15321130152