Base | Representation |
---|---|
bin | 1000001011111… |
… | …11110000000111 |
3 | 11210020100020001 |
4 | 10011333300013 |
5 | 120040240321 |
6 | 10452022131 |
7 | 1462530211 |
oct | 405776007 |
9 | 153210201 |
10 | 68680711 |
11 | 3584a920 |
12 | 1b001947 |
13 | 112c9198 |
14 | 919b5b1 |
15 | 6069c91 |
hex | 417fc07 |
68680711 has 16 divisors (see below), whose sum is σ = 76197888. Its totient is φ = 61387200.
The previous prime is 68680681. The next prime is 68680721. The reversal of 68680711 is 11708686.
It is a cyclic number.
It is not a de Polignac number, because 68680711 - 223 = 60292103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68680721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294651 + ... + 294883.
It is an arithmetic number, because the mean of its divisors is an integer number (4762368).
Almost surely, 268680711 is an apocalyptic number.
68680711 is a deficient number, since it is larger than the sum of its proper divisors (7517177).
68680711 is a wasteful number, since it uses less digits than its factorization.
68680711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582.
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 68680711 is about 8287.3826386864. The cubic root of 68680711 is about 409.5229649152.
The spelling of 68680711 in words is "sixty-eight million, six hundred eighty thousand, seven hundred eleven".
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