Base | Representation |
---|---|
bin | 111111011000110010… |
… | …010110110111111000 |
3 | 20111200022212221212000 |
4 | 333120302112313320 |
5 | 2103342231321414 |
6 | 51133404021000 |
7 | 4626425650404 |
oct | 773062266770 |
9 | 214608787760 |
10 | 68061588984 |
11 | 26956aa11a4 |
12 | 11235831760 |
13 | 655898559c |
14 | 34193d0104 |
15 | 1b85366b09 |
hex | fd8c96df8 |
68061588984 has 32 divisors (see below), whose sum is σ = 189059970000. Its totient is φ = 22687196256.
The previous prime is 68061588961. The next prime is 68061589027. The reversal of 68061588984 is 48988516086.
68061588984 is a `hidden beast` number, since 6 + 8 + 0 + 615 + 8 + 8 + 9 + 8 + 4 = 666.
It is a congruent number.
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, 157549759 + ... + 157550190.
Almost surely, 268061588984 is an apocalyptic number.
It is an amenable number.
68061588984 is an abundant number, since it is smaller than the sum of its proper divisors (120998381016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68061588984 is a wasteful number, since it uses less digits than its factorization.
68061588984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315099964 (or 315099954 counting only the distinct ones).
The product of its (nonzero) digits is 26542080, while the sum is 63.
The spelling of 68061588984 in words is "sixty-eight billion, sixty-one million, five hundred eighty-eight thousand, nine hundred eighty-four".
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