Base | Representation |
---|---|
bin | 1000000111101… |
… | …10100010011010 |
3 | 11202011210021011 |
4 | 10003312202122 |
5 | 114414244212 |
6 | 10432004134 |
7 | 1454666512 |
oct | 403664232 |
9 | 152153234 |
10 | 68118682 |
11 | 354a6635 |
12 | 1a99064a |
13 | 11160418 |
14 | 9092842 |
15 | 5ea84a7 |
hex | 40f689a |
68118682 has 4 divisors (see below), whose sum is σ = 102178026. Its totient is φ = 34059340.
The previous prime is 68118679. The next prime is 68118683. The reversal of 68118682 is 28681186.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 64625521 + 3493161 = 8039^2 + 1869^2 .
It is a super-3 number, since 3×681186823 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (68118683) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17029669 + ... + 17029672.
Almost surely, 268118682 is an apocalyptic number.
68118682 is a deficient number, since it is larger than the sum of its proper divisors (34059344).
68118682 is a wasteful number, since it uses less digits than its factorization.
68118682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34059343.
The product of its digits is 36864, while the sum is 40.
The square root of 68118682 is about 8253.4042673311. The cubic root of 68118682 is about 408.4028324668.
The spelling of 68118682 in words is "sixty-eight million, one hundred eighteen thousand, six hundred eighty-two".
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