Base | Representation |
---|---|
bin | 11111011111010010100… |
… | …11011011010100110101 |
3 | 10211102201000122022102220 |
4 | 33233221103123110311 |
5 | 120211313422202120 |
6 | 2145012540152553 |
7 | 141111516356145 |
oct | 17575123332465 |
9 | 3742630568386 |
10 | 1081950975285 |
11 | 387942134644 |
12 | 155833238759 |
13 | 7b0486714ab |
14 | 3a51c358925 |
15 | 1d226161b40 |
hex | fbe94db535 |
1081950975285 has 32 divisors (see below), whose sum is σ = 1774346031360. Its totient is φ = 562762756608.
The previous prime is 1081950975271. The next prime is 1081950975337. The reversal of 1081950975285 is 5825790591801.
It is not a de Polignac number, because 1081950975285 - 24 = 1081950975269 is a prime.
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, 3941920 + ... + 4207449.
It is an arithmetic number, because the mean of its divisors is an integer number (55448313480).
Almost surely, 21081950975285 is an apocalyptic number.
1081950975285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1081950975285 is a deficient number, since it is larger than the sum of its proper divisors (692395056075).
1081950975285 is a wasteful number, since it uses less digits than its factorization.
1081950975285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8149597.
The product of its (nonzero) digits is 9072000, while the sum is 60.
The spelling of 1081950975285 in words is "one trillion, eighty-one billion, nine hundred fifty million, nine hundred seventy-five thousand, two hundred eighty-five".
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