Base | Representation |
---|---|
bin | 1000001000110… |
… | …11111000110111 |
3 | 11202110120010102 |
4 | 10010123320313 |
5 | 114434143141 |
6 | 10435144315 |
7 | 1456204526 |
oct | 404337067 |
9 | 152416112 |
10 | 68271671 |
11 | 355a0576 |
12 | 1aa4509b |
13 | 111b4c50 |
14 | 90d24bd |
15 | 5ed899b |
hex | 411be37 |
68271671 has 8 divisors (see below), whose sum is σ = 74211984. Its totient is φ = 62429760.
The previous prime is 68271631. The next prime is 68271691. The reversal of 68271671 is 17617286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68271671 - 214 = 68255287 is a prime.
It is a super-2 number, since 2×682716712 = 9322042122264482, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68271631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23150 + ... + 25931.
It is an arithmetic number, because the mean of its divisors is an integer number (9276498).
Almost surely, 268271671 is an apocalyptic number.
68271671 is a deficient number, since it is larger than the sum of its proper divisors (5940313).
68271671 is a wasteful number, since it uses less digits than its factorization.
68271671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49201.
The product of its digits is 28224, while the sum is 38.
The square root of 68271671 is about 8262.6673054166. The cubic root of 68271671 is about 408.7083503342.
The spelling of 68271671 in words is "sixty-eight million, two hundred seventy-one thousand, six hundred seventy-one".
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