Base | Representation |
---|---|
bin | 101000011110011… |
… | …111000011100001 |
3 | 1202022210211212002 |
4 | 220132133003201 |
5 | 2342321031121 |
6 | 151215013345 |
7 | 22554041354 |
oct | 5036370341 |
9 | 1668724762 |
10 | 679080161 |
11 | 319360a81 |
12 | 16b50a255 |
13 | aa8c63a6 |
14 | 6629029b |
15 | 3e93de0b |
hex | 2879f0e1 |
679080161 has 2 divisors, whose sum is σ = 679080162. Its totient is φ = 679080160.
The previous prime is 679080151. The next prime is 679080169. The reversal of 679080161 is 161080976.
679080161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 531579136 + 147501025 = 23056^2 + 12145^2 .
It is a cyclic number.
It is not a de Polignac number, because 679080161 - 222 = 674885857 is a prime.
It is a super-2 number, since 2×6790801612 = 922299730127571842, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (679080169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339540080 + 339540081.
It is an arithmetic number, because the mean of its divisors is an integer number (339540081).
Almost surely, 2679080161 is an apocalyptic number.
It is an amenable number.
679080161 is a deficient number, since it is larger than the sum of its proper divisors (1).
679080161 is an equidigital number, since it uses as much as digits as its factorization.
679080161 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 38.
The square root of 679080161 is about 26059.1665446154. The cubic root of 679080161 is about 878.9692481184.
The spelling of 679080161 in words is "six hundred seventy-nine million, eighty thousand, one hundred sixty-one".
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