Base | Representation |
---|---|
bin | 111110001010111… |
… | …1001101110111001 |
3 | 12101101101200112222 |
4 | 1330111321232321 |
5 | 13233021210111 |
6 | 543000413425 |
7 | 102460460444 |
oct | 17425715671 |
9 | 5341350488 |
10 | 2086116281 |
11 | 980616047 |
12 | 4a2777275 |
13 | 273269642 |
14 | 15b0b465b |
15 | c32237db |
hex | 7c579bb9 |
2086116281 has 2 divisors, whose sum is σ = 2086116282. Its totient is φ = 2086116280.
The previous prime is 2086116259. The next prime is 2086116283. The reversal of 2086116281 is 1826116802.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1533114025 + 553002256 = 39155^2 + 23516^2 .
It is a cyclic number.
It is not a de Polignac number, because 2086116281 - 230 = 1012374457 is a prime.
It is a super-2 number, since 2×20861162812 = 8703762275706541922, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 2086116283, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2086116283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043058140 + 1043058141.
It is an arithmetic number, because the mean of its divisors is an integer number (1043058141).
Almost surely, 22086116281 is an apocalyptic number.
It is an amenable number.
2086116281 is a deficient number, since it is larger than the sum of its proper divisors (1).
2086116281 is an equidigital number, since it uses as much as digits as its factorization.
2086116281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 2086116281 is about 45674.0219490248. The cubic root of 2086116281 is about 1277.7508273666.
The spelling of 2086116281 in words is "two billion, eighty-six million, one hundred sixteen thousand, two hundred eighty-one".
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