Base | Representation |
---|---|
bin | 11100011111101000… |
… | …00001010100100000 |
3 | 1110111010021200210122 |
4 | 32033310001110200 |
5 | 222312201240142 |
6 | 11005550215412 |
7 | 1051043066051 |
oct | 161764012440 |
9 | 43433250718 |
10 | 15297680672 |
11 | 65401619aa |
12 | 2b6b1b4568 |
13 | 159a414271 |
14 | a51992728 |
15 | 5e80161d2 |
hex | 38fd01520 |
15297680672 has 24 divisors (see below), whose sum is σ = 31702431600. Its totient is φ = 7246269504.
The previous prime is 15297680669. The next prime is 15297680687. The reversal of 15297680672 is 27608679251.
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, 12579722 + ... + 12580937.
It is an arithmetic number, because the mean of its divisors is an integer number (1320934650).
Almost surely, 215297680672 is an apocalyptic number.
It is an amenable number.
15297680672 is an abundant number, since it is smaller than the sum of its proper divisors (16404750928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15297680672 is a wasteful number, since it uses less digits than its factorization.
15297680672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25160688 (or 25160680 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 53.
The spelling of 15297680672 in words is "fifteen billion, two hundred ninety-seven million, six hundred eighty thousand, six hundred seventy-two".
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