Base | Representation |
---|---|
bin | 1000001101010… |
… | …11111011111111 |
3 | 11210120112111011 |
4 | 10012223323333 |
5 | 120112033240 |
6 | 10455540051 |
7 | 1464212650 |
oct | 406537377 |
9 | 153515434 |
10 | 68861695 |
11 | 359638a1 |
12 | 1b08a627 |
13 | 11360686 |
14 | 9207527 |
15 | 60a36ea |
hex | 41abeff |
68861695 has 16 divisors (see below), whose sum is σ = 97486848. Its totient is φ = 45695520.
The previous prime is 68861671. The next prime is 68861717. The reversal of 68861695 is 59616886.
It is not a de Polignac number, because 68861695 - 213 = 68853503 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30649 + ... + 32818.
It is an arithmetic number, because the mean of its divisors is an integer number (6092928).
Almost surely, 268861695 is an apocalyptic number.
68861695 is a deficient number, since it is larger than the sum of its proper divisors (28625153).
68861695 is a wasteful number, since it uses less digits than its factorization.
68861695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63510.
The product of its digits is 622080, while the sum is 49.
The square root of 68861695 is about 8298.2947043353. The cubic root of 68861695 is about 409.8823676019.
The spelling of 68861695 in words is "sixty-eight million, eight hundred sixty-one thousand, six hundred ninety-five".
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