Base | Representation |
---|---|
bin | 111111100000010… |
… | …1010000001100000 |
3 | 12111111121211212011 |
4 | 1333000222001200 |
5 | 13331001103220 |
6 | 551240042304 |
7 | 103543111636 |
oct | 17700520140 |
9 | 5444554764 |
10 | 2130878560 |
11 | 9a3909668 |
12 | 4b5763394 |
13 | 27c60c9b5 |
14 | 163007356 |
15 | c711665a |
hex | 7f02a060 |
2130878560 has 48 divisors (see below), whose sum is σ = 5039130096. Its totient is φ = 851516928.
The previous prime is 2130878521. The next prime is 2130878567. The reversal of 2130878560 is 658780312.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130878567) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172759 + ... + 184681.
It is an arithmetic number, because the mean of its divisors is an integer number (104981877).
Almost surely, 22130878560 is an apocalyptic number.
2130878560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130878560 is an abundant number, since it is smaller than the sum of its proper divisors (2908251536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130878560 is a wasteful number, since it uses less digits than its factorization.
2130878560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13055 (or 13047 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 2130878560 is about 46161.4401855055. The cubic root of 2130878560 is about 1286.8252279675.
The spelling of 2130878560 in words is "two billion, one hundred thirty million, eight hundred seventy-eight thousand, five hundred sixty".
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