Base | Representation |
---|---|
bin | 1000001100101… |
… | …01001101100011 |
3 | 11210101210210121 |
4 | 10012111031203 |
5 | 120101043421 |
6 | 10453541111 |
7 | 1463344402 |
oct | 406251543 |
9 | 153353717 |
10 | 68768611 |
11 | 358aa96a |
12 | 1b044797 |
13 | 1132a1b2 |
14 | 91c1639 |
15 | 6085d41 |
hex | 4195363 |
68768611 has 2 divisors, whose sum is σ = 68768612. Its totient is φ = 68768610.
The previous prime is 68768573. The next prime is 68768617. The reversal of 68768611 is 11686786.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68768611 - 217 = 68637539 is a prime.
It is not a weakly prime, because it can be changed into another prime (68768617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34384305 + 34384306.
It is an arithmetic number, because the mean of its divisors is an integer number (34384306).
Almost surely, 268768611 is an apocalyptic number.
68768611 is a deficient number, since it is larger than the sum of its proper divisors (1).
68768611 is an equidigital number, since it uses as much as digits as its factorization.
68768611 is an evil number, because the sum of its binary digits is even.
The product of its digits is 96768, while the sum is 43.
The square root of 68768611 is about 8292.6841854734. The cubic root of 68768611 is about 409.6975977547.
The spelling of 68768611 in words is "sixty-eight million, seven hundred sixty-eight thousand, six hundred eleven".
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