Base | Representation |
---|---|
bin | 1000001000011… |
… | …01001001000100 |
3 | 11202100111021021 |
4 | 10010031021010 |
5 | 114430230033 |
6 | 10434000524 |
7 | 1455533446 |
oct | 404151104 |
9 | 152314237 |
10 | 68211268 |
11 | 3555a154 |
12 | 1aa16144 |
13 | 111935c8 |
14 | 90b8496 |
15 | 5ec5b2d |
hex | 410d244 |
68211268 has 6 divisors (see below), whose sum is σ = 119369726. Its totient is φ = 34105632.
The previous prime is 68211181. The next prime is 68211289. The reversal of 68211268 is 86211286.
It can be written as a sum of positive squares in only one way, i.e., 59259204 + 8952064 = 7698^2 + 2992^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8526405 + ... + 8526412.
Almost surely, 268211268 is an apocalyptic number.
It is an amenable number.
68211268 is a deficient number, since it is larger than the sum of its proper divisors (51158458).
68211268 is a wasteful number, since it uses less digits than its factorization.
68211268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17052821 (or 17052819 counting only the distinct ones).
The product of its digits is 9216, while the sum is 34.
The square root of 68211268 is about 8259.0113209754. The cubic root of 68211268 is about 408.5877805853.
The spelling of 68211268 in words is "sixty-eight million, two hundred eleven thousand, two hundred sixty-eight".
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