Base | Representation |
---|---|
bin | 100000000010000110… |
… | …0010001101101011010 |
3 | 20120120002011002212120 |
4 | 1000010030101231122 |
5 | 2111340142210431 |
6 | 51333540122110 |
7 | 4653450454020 |
oct | 1000414215532 |
9 | 216502132776 |
10 | 68789803866 |
11 | 271a0061883 |
12 | 113b9696336 |
13 | 66437c3274 |
14 | 3487dd0710 |
15 | 1bc925e196 |
hex | 1004311b5a |
68789803866 has 16 divisors (see below), whose sum is σ = 157233837504. Its totient is φ = 19654229664.
The previous prime is 68789803847. The next prime is 68789803871. The reversal of 68789803866 is 66830898786.
It is a self number, because there is not a number n which added to its sum of digits gives 68789803866.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818926195 + ... + 818926278.
It is an arithmetic number, because the mean of its divisors is an integer number (9827114844).
Almost surely, 268789803866 is an apocalyptic number.
68789803866 is an abundant number, since it is smaller than the sum of its proper divisors (88444033638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68789803866 is a wasteful number, since it uses less digits than its factorization.
68789803866 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1637852485.
The product of its (nonzero) digits is 167215104, while the sum is 69.
The spelling of 68789803866 in words is "sixty-eight billion, seven hundred eighty-nine million, eight hundred three thousand, eight hundred sixty-six".
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