Base | Representation |
---|---|
bin | 111111101100110… |
… | …0000101010100001 |
3 | 12111221212212010021 |
4 | 1333121200222201 |
5 | 13334133100300 |
6 | 552031433441 |
7 | 103652355610 |
oct | 17731405241 |
9 | 5457785107 |
10 | 2137393825 |
11 | 9a7559686 |
12 | 4b7985881 |
13 | 280a81398 |
14 | 163c21877 |
15 | c79a1d1a |
hex | 7f660aa1 |
2137393825 has 24 divisors (see below), whose sum is σ = 3049358400. Its totient is φ = 1455787200.
The previous prime is 2137393793. The next prime is 2137393831. The reversal of 2137393825 is 5283937312.
It is not a de Polignac number, because 2137393825 - 25 = 2137393793 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14911 + ... + 67060.
It is an arithmetic number, because the mean of its divisors is an integer number (127056600).
Almost surely, 22137393825 is an apocalyptic number.
2137393825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2137393825 is a deficient number, since it is larger than the sum of its proper divisors (911964575).
2137393825 is a wasteful number, since it uses less digits than its factorization.
2137393825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82137 (or 82132 counting only the distinct ones).
The product of its digits is 272160, while the sum is 43.
The square root of 2137393825 is about 46231.9567507152. The cubic root of 2137393825 is about 1288.1354038381.
The spelling of 2137393825 in words is "two billion, one hundred thirty-seven million, three hundred ninety-three thousand, eight hundred twenty-five".
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