Base | Representation |
---|---|
bin | 111111100000100… |
… | …0110111011100000 |
3 | 12111111211212021100 |
4 | 1333001012323200 |
5 | 13331013400320 |
6 | 551242354400 |
7 | 103544114061 |
oct | 17701067340 |
9 | 5444755240 |
10 | 2130996960 |
11 | 9a398a614 |
12 | 4b57bba00 |
13 | 27c651861 |
14 | 163038568 |
15 | c713b790 |
hex | 7f046ee0 |
2130996960 has 72 divisors (see below), whose sum is σ = 7272032040. Its totient is φ = 568265472.
The previous prime is 2130996949. The next prime is 2130996983. The reversal of 2130996960 is 696990312.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×21309969602 = 9082296087058483200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738490 + ... + 741369.
It is an arithmetic number, because the mean of its divisors is an integer number (101000445).
Almost surely, 22130996960 is an apocalyptic number.
2130996960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130996960 is an abundant number, since it is smaller than the sum of its proper divisors (5141035080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130996960 is a wasteful number, since it uses less digits than its factorization.
2130996960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1479880 (or 1479869 counting only the distinct ones).
The product of its (nonzero) digits is 157464, while the sum is 45.
The square root of 2130996960 is about 46162.7226233462. The cubic root of 2130996960 is about 1286.8490612177.
The spelling of 2130996960 in words is "two billion, one hundred thirty million, nine hundred ninety-six thousand, nine hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •