Base | Representation |
---|---|
bin | 1000001100100… |
… | …11010111110111 |
3 | 11210101102110122 |
4 | 10012103113313 |
5 | 120100323304 |
6 | 10453442155 |
7 | 1463313422 |
oct | 406232767 |
9 | 153342418 |
10 | 68761079 |
11 | 358a5242 |
12 | 1b04035b |
13 | 1132693a |
14 | 91bc9b9 |
15 | 60839be |
hex | 41935f7 |
68761079 has 2 divisors, whose sum is σ = 68761080. Its totient is φ = 68761078.
The previous prime is 68761051. The next prime is 68761097. The reversal of 68761079 is 97016786.
Together with next prime (68761097) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68761079 - 220 = 67712503 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68761279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34380539 + 34380540.
It is an arithmetic number, because the mean of its divisors is an integer number (34380540).
Almost surely, 268761079 is an apocalyptic number.
68761079 is a deficient number, since it is larger than the sum of its proper divisors (1).
68761079 is an equidigital number, since it uses as much as digits as its factorization.
68761079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 127008, while the sum is 44.
The square root of 68761079 is about 8292.2300378125. The cubic root of 68761079 is about 409.6826395980.
The spelling of 68761079 in words is "sixty-eight million, seven hundred sixty-one thousand, seventy-nine".
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