Base | Representation |
---|---|
bin | 111111110011111101… |
… | …100011111000011010 |
3 | 20112212002210011211211 |
4 | 333303331203320122 |
5 | 2110310440320212 |
6 | 51250532013334 |
7 | 4643633142235 |
oct | 776375437032 |
9 | 215762704754 |
10 | 68517510682 |
11 | 27070391995 |
12 | 1134246124a |
13 | 65cc27673a |
14 | 345db9041c |
15 | 1bb03c49a7 |
hex | ff3f63e1a |
68517510682 has 8 divisors (see below), whose sum is σ = 102777444000. Its totient is φ = 34258362684.
The previous prime is 68517510679. The next prime is 68517510697. The reversal of 68517510682 is 28601571586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130819 + ... + 392617.
It is an arithmetic number, because the mean of its divisors is an integer number (12847180500).
Almost surely, 268517510682 is an apocalyptic number.
68517510682 is a deficient number, since it is larger than the sum of its proper divisors (34259933318).
68517510682 is a wasteful number, since it uses less digits than its factorization.
68517510682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392660.
The product of its (nonzero) digits is 806400, while the sum is 49.
The spelling of 68517510682 in words is "sixty-eight billion, five hundred seventeen million, five hundred ten thousand, six hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •