Base | Representation |
---|---|
bin | 111110010110000… |
… | …0011111100100000 |
3 | 12101210022211000002 |
4 | 1330230003330200 |
5 | 13241013102110 |
6 | 543325115132 |
7 | 102561033344 |
oct | 17454037440 |
9 | 5353284002 |
10 | 2091925280 |
11 | 983923475 |
12 | 4a46b8aa8 |
13 | 274521713 |
14 | 15bb87624 |
15 | c39beaa5 |
hex | 7cb03f20 |
2091925280 has 48 divisors (see below), whose sum is σ = 4993160760. Its totient is φ = 828137472.
The previous prime is 2091925273. The next prime is 2091925301. The reversal of 2091925280 is 825291902.
It can be written as a sum of positive squares in 4 ways, for example, as 2060070544 + 31854736 = 45388^2 + 5644^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51875 + ... + 82914.
Almost surely, 22091925280 is an apocalyptic number.
2091925280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2091925280 is an abundant number, since it is smaller than the sum of its proper divisors (2901235480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2091925280 is a wasteful number, since it uses less digits than its factorization.
2091925280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134901 (or 134893 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 2091925280 is about 45737.5696774544. The cubic root of 2091925280 is about 1278.9357364508.
The spelling of 2091925280 in words is "two billion, ninety-one million, nine hundred twenty-five thousand, two hundred eighty".
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