Base | Representation |
---|---|
bin | 1000001100100… |
… | …00010110001011 |
3 | 11210100210110112 |
4 | 10012100112023 |
5 | 120044424213 |
6 | 10453304535 |
7 | 1463232323 |
oct | 406202613 |
9 | 153323415 |
10 | 68748683 |
11 | 358969a3 |
12 | 1b03514b |
13 | 113210c3 |
14 | 91b8283 |
15 | 607eea8 |
hex | 419058b |
68748683 has 2 divisors, whose sum is σ = 68748684. Its totient is φ = 68748682.
The previous prime is 68748671. The next prime is 68748703. The reversal of 68748683 is 38684786.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68748683 - 220 = 67700107 is a prime.
It is not a weakly prime, because it can be changed into another prime (68748613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34374341 + 34374342.
It is an arithmetic number, because the mean of its divisors is an integer number (34374342).
Almost surely, 268748683 is an apocalyptic number.
68748683 is a deficient number, since it is larger than the sum of its proper divisors (1).
68748683 is an equidigital number, since it uses as much as digits as its factorization.
68748683 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1548288, while the sum is 50.
The square root of 68748683 is about 8291.4825574200. The cubic root of 68748683 is about 409.6580194143.
The spelling of 68748683 in words is "sixty-eight million, seven hundred forty-eight thousand, six hundred eighty-three".
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