Base | Representation |
---|---|
bin | 11000100100010… |
… | …00100100111001 |
3 | 112100202222001012 |
4 | 30102020210321 |
5 | 410224032223 |
6 | 32241003305 |
7 | 5051440145 |
oct | 1422104471 |
9 | 470688035 |
10 | 206080313 |
11 | a636620a |
12 | 59023535 |
13 | 33905a1a |
14 | 1d526225 |
15 | 1315ac78 |
hex | c488939 |
206080313 has 2 divisors, whose sum is σ = 206080314. Its totient is φ = 206080312.
The previous prime is 206080297. The next prime is 206080331. The reversal of 206080313 is 313080602.
Together with next prime (206080331) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 173396224 + 32684089 = 13168^2 + 5717^2 .
It is a cyclic number.
It is not a de Polignac number, because 206080313 - 24 = 206080297 is a prime.
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 (206080393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103040156 + 103040157.
It is an arithmetic number, because the mean of its divisors is an integer number (103040157).
Almost surely, 2206080313 is an apocalyptic number.
It is an amenable number.
206080313 is a deficient number, since it is larger than the sum of its proper divisors (1).
206080313 is an equidigital number, since it uses as much as digits as its factorization.
206080313 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 206080313 is about 14355.4976576920. The cubic root of 206080313 is about 590.6707998152.
The spelling of 206080313 in words is "two hundred six million, eighty thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •