Base | Representation |
---|---|
bin | 100000000111000011… |
… | …1111110000010101000 |
3 | 20120222200201110010100 |
4 | 1000032013332002220 |
5 | 2112210322300023 |
6 | 51402251545400 |
7 | 4660543061520 |
oct | 1001607760250 |
9 | 216880643110 |
10 | 68956446888 |
11 | 2727613118a |
12 | 1144545b260 |
13 | 666c19b5c4 |
14 | 34a21ac680 |
15 | 1bd8bc9c43 |
hex | 100e1fe0a8 |
68956446888 has 48 divisors (see below), whose sum is σ = 213436622880. Its totient is φ = 19701841824.
The previous prime is 68956446799. The next prime is 68956446941. The reversal of 68956446888 is 88864465986.
68956446888 is a `hidden beast` number, since 6 + 89 + 5 + 6 + 4 + 468 + 88 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68408670 + ... + 68409677.
It is an arithmetic number, because the mean of its divisors is an integer number (4446596310).
Almost surely, 268956446888 is an apocalyptic number.
It is an amenable number.
68956446888 is an abundant number, since it is smaller than the sum of its proper divisors (144480175992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68956446888 is a wasteful number, since it uses less digits than its factorization.
68956446888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136818366 (or 136818359 counting only the distinct ones).
The product of its digits is 637009920, while the sum is 72.
The spelling of 68956446888 in words is "sixty-eight billion, nine hundred fifty-six million, four hundred forty-six thousand, eight hundred eighty-eight".
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