Base | Representation |
---|---|
bin | 1000001100001… |
… | …00000010011111 |
3 | 11210021020022102 |
4 | 10012010002133 |
5 | 120041321041 |
6 | 10452235315 |
7 | 1462632335 |
oct | 406040237 |
9 | 153236272 |
10 | 68698271 |
11 | 35862034 |
12 | 1b00bb3b |
13 | 11304185 |
14 | 91a3b55 |
15 | 607009b |
hex | 418409f |
68698271 has 2 divisors, whose sum is σ = 68698272. Its totient is φ = 68698270.
The previous prime is 68698193. The next prime is 68698291. The reversal of 68698271 is 17289686.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68698271 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68698291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34349135 + 34349136.
It is an arithmetic number, because the mean of its divisors is an integer number (34349136).
Almost surely, 268698271 is an apocalyptic number.
68698271 is a deficient number, since it is larger than the sum of its proper divisors (1).
68698271 is an equidigital number, since it uses as much as digits as its factorization.
68698271 is an evil number, because the sum of its binary digits is even.
The product of its digits is 290304, while the sum is 47.
The square root of 68698271 is about 8288.4420128273. The cubic root of 68698271 is about 409.5578636535.
The spelling of 68698271 in words is "sixty-eight million, six hundred ninety-eight thousand, two hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •