Base | Representation |
---|---|
bin | 11100100010011010… |
… | …11110010010101000 |
3 | 1110112202102001102220 |
4 | 32101031132102220 |
5 | 222334202131102 |
6 | 11012144554040 |
7 | 1051446312636 |
oct | 162115362250 |
9 | 43482361386 |
10 | 15321130152 |
11 | 6552418939 |
12 | 2b77022920 |
13 | 15a22347b3 |
14 | a54b38356 |
15 | 5ea0e91bc |
hex | 39135e4a8 |
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".
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