Base | Representation |
---|---|
bin | 111111011111100… |
… | …0001100101110000 |
3 | 12111110211010002012 |
4 | 1332333001211300 |
5 | 13330343411200 |
6 | 551222542052 |
7 | 103536350552 |
oct | 17677014560 |
9 | 5443733065 |
10 | 2130450800 |
11 | 9a3647245 |
12 | 4b5597928 |
13 | 27c4c009a |
14 | 162d354d2 |
15 | c707ea35 |
hex | 7efc1970 |
2130450800 has 30 divisors (see below), whose sum is σ = 5118409008. Its totient is φ = 852180160.
The previous prime is 2130450719. The next prime is 2130450821. The reversal of 2130450800 is 80540312.
It is a super-2 number, since 2×21304508002 = 9077641222441280000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2662664 + ... + 2663463.
Almost surely, 22130450800 is an apocalyptic number.
2130450800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2130450800 is an abundant number, since it is smaller than the sum of its proper divisors (2987958208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130450800 is a wasteful number, since it uses less digits than its factorization.
2130450800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5326145 (or 5326134 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 2130450800 is about 46156.8066486407. The cubic root of 2130450800 is about 1286.7391149424.
The spelling of 2130450800 in words is "two billion, one hundred thirty million, four hundred fifty thousand, eight hundred".
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