Base | Representation |
---|---|
bin | 1000001001001… |
… | …01010011111111 |
3 | 11202112112002001 |
4 | 10010211103333 |
5 | 114441412041 |
6 | 10440043131 |
7 | 1456425211 |
oct | 404452377 |
9 | 152475061 |
10 | 68310271 |
11 | 35617577 |
12 | 1aa634a7 |
13 | 111c96a3 |
14 | 91025b1 |
15 | 5ee5131 |
hex | 41254ff |
68310271 has 2 divisors, whose sum is σ = 68310272. Its totient is φ = 68310270.
The previous prime is 68310247. The next prime is 68310289. The reversal of 68310271 is 17201386.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68310271 - 213 = 68302079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68310211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34155135 + 34155136.
It is an arithmetic number, because the mean of its divisors is an integer number (34155136).
Almost surely, 268310271 is an apocalyptic number.
68310271 is a deficient number, since it is larger than the sum of its proper divisors (1).
68310271 is an equidigital number, since it uses as much as digits as its factorization.
68310271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 68310271 is about 8265.0027828186. The cubic root of 68310271 is about 408.7853621206.
The spelling of 68310271 in words is "sixty-eight million, three hundred ten thousand, two hundred seventy-one".
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