Base | Representation |
---|---|
bin | 1010000101011010… |
… | …0010100110101001 |
3 | 20222122202220200222 |
4 | 2201112202212221 |
5 | 21021000300211 |
6 | 1124341135425 |
7 | 124040315612 |
oct | 24126424651 |
9 | 6878686628 |
10 | 2707040681 |
11 | 116a065804 |
12 | 6366ba575 |
13 | 341ab0327 |
14 | 1b9746c09 |
15 | 10c9c61db |
hex | a15a29a9 |
2707040681 has 2 divisors, whose sum is σ = 2707040682. Its totient is φ = 2707040680.
The previous prime is 2707040671. The next prime is 2707040689. The reversal of 2707040681 is 1860407072.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2035453456 + 671587225 = 45116^2 + 25915^2 .
It is a cyclic number.
It is not a de Polignac number, because 2707040681 - 26 = 2707040617 is a prime.
It is a super-2 number, since 2×27070406812 = 14656138497177887522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2707040689) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353520340 + 1353520341.
It is an arithmetic number, because the mean of its divisors is an integer number (1353520341).
Almost surely, 22707040681 is an apocalyptic number.
It is an amenable number.
2707040681 is a deficient number, since it is larger than the sum of its proper divisors (1).
2707040681 is an equidigital number, since it uses as much as digits as its factorization.
2707040681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 2707040681 is about 52029.2291024958. The cubic root of 2707040681 is about 1393.6859679110.
The spelling of 2707040681 in words is "two billion, seven hundred seven million, forty thousand, six hundred eighty-one".
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