Base | Representation |
---|---|
bin | 1000001001110… |
… | …10110000010111 |
3 | 11202200222120002 |
4 | 10010322300113 |
5 | 120002214403 |
6 | 10442001515 |
7 | 1460242244 |
oct | 404726027 |
9 | 152628502 |
10 | 68398103 |
11 | 35677564 |
12 | 1aaa629b |
13 | 1122a667 |
14 | 91265cb |
15 | 6011188 |
hex | 413ac17 |
68398103 has 2 divisors, whose sum is σ = 68398104. Its totient is φ = 68398102.
The previous prime is 68398097. The next prime is 68398111. The reversal of 68398103 is 30189386.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68398103 - 24 = 68398087 is a prime.
It is a Sophie Germain 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 (68308103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34199051 + 34199052.
It is an arithmetic number, because the mean of its divisors is an integer number (34199052).
Almost surely, 268398103 is an apocalyptic number.
68398103 is a deficient number, since it is larger than the sum of its proper divisors (1).
68398103 is an equidigital number, since it uses as much as digits as its factorization.
68398103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 68398103 is about 8270.3145647551. The cubic root of 68398103 is about 408.9604898039.
The spelling of 68398103 in words is "sixty-eight million, three hundred ninety-eight thousand, one hundred three".
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