Base | Representation |
---|---|
bin | 111111011001000010… |
… | …000100110100110000 |
3 | 20111200121122021221112 |
4 | 333121002010310300 |
5 | 2103344310144420 |
6 | 51134032212452 |
7 | 4626505661225 |
oct | 773102046460 |
9 | 214617567845 |
10 | 68065709360 |
11 | 26959355970 |
12 | 1123709a128 |
13 | 6559798b8c |
14 | 3419b8394c |
15 | 1b858cc8c5 |
hex | fd9084d30 |
68065709360 has 40 divisors (see below), whose sum is σ = 172639392336. Its totient is φ = 24751166720.
The previous prime is 68065709359. The next prime is 68065709381. The reversal of 68065709360 is 6390756086.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 68065709299 and 68065709308.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38672819 + ... + 38674578.
Almost surely, 268065709360 is an apocalyptic number.
It is an amenable number.
68065709360 is an abundant number, since it is smaller than the sum of its proper divisors (104573682976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68065709360 is a wasteful number, since it uses less digits than its factorization.
68065709360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77347421 (or 77347415 counting only the distinct ones).
The product of its (nonzero) digits is 1632960, while the sum is 50.
The spelling of 68065709360 in words is "sixty-eight billion, sixty-five million, seven hundred nine thousand, three hundred sixty".
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