Base | Representation |
---|---|
bin | 111111010110111… |
… | …1111010011010100 |
3 | 12111011102020010110 |
4 | 1332231333103110 |
5 | 13323223004410 |
6 | 550543123020 |
7 | 103453400640 |
oct | 17655772324 |
9 | 5434366113 |
10 | 2125984980 |
11 | 9a1076a89 |
12 | 4b3ba3470 |
13 | 27b5b84a2 |
14 | 1624d1c20 |
15 | c699b720 |
hex | 7eb7f4d4 |
2125984980 has 96 divisors (see below), whose sum is σ = 7203361536. Its totient is φ = 457353216.
The previous prime is 2125984957. The next prime is 2125984999. The reversal of 2125984980 is 894895212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141739 + ... + 156018.
It is an arithmetic number, because the mean of its divisors is an integer number (75035016).
Almost surely, 22125984980 is an apocalyptic number.
2125984980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2125984980 is an abundant number, since it is smaller than the sum of its proper divisors (5077376556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2125984980 is a wasteful number, since it uses less digits than its factorization.
2125984980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 297793 (or 297791 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 48.
The square root of 2125984980 is about 46108.4046568519. The cubic root of 2125984980 is about 1285.8394047196.
The spelling of 2125984980 in words is "two billion, one hundred twenty-five million, nine hundred eighty-four thousand, nine hundred eighty".
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