Base | Representation |
---|---|
bin | 100000000111010110… |
… | …0010110100000001100 |
3 | 20121000100122222221122 |
4 | 1000032230112200030 |
5 | 2112220242444033 |
6 | 51403232220112 |
7 | 4661020123346 |
oct | 1001654264014 |
9 | 217010588848 |
10 | 68965984268 |
11 | 27280555815 |
12 | 1144869a638 |
13 | 667115a71c |
14 | 34a3572296 |
15 | 1bd9960a98 |
hex | 100eb1680c |
68965984268 has 24 divisors (see below), whose sum is σ = 128962310400. Its totient is φ = 32156828928.
The previous prime is 68965984253. The next prime is 68965984271. The reversal of 68965984268 is 86248956986.
It is a super-3 number, since 3×689659842683 (a number of 33 digits) contains 333 as substring.
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, 4644908 + ... + 4659731.
It is an arithmetic number, because the mean of its divisors is an integer number (5373429600).
Almost surely, 268965984268 is an apocalyptic number.
68965984268 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
68965984268 is a deficient number, since it is larger than the sum of its proper divisors (59996326132).
68965984268 is a wasteful number, since it uses less digits than its factorization.
68965984268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9304769 (or 9304767 counting only the distinct ones).
The product of its digits is 358318080, while the sum is 71.
The spelling of 68965984268 in words is "sixty-eight billion, nine hundred sixty-five million, nine hundred eighty-four thousand, two hundred sixty-eight".
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