Base | Representation |
---|---|
bin | 100000000111010110… |
… | …1100101101110011111 |
3 | 20121000101021111002010 |
4 | 1000032231211232133 |
5 | 2112220333340032 |
6 | 51403243202303 |
7 | 4661022644406 |
oct | 1001655455637 |
9 | 217011244063 |
10 | 68966308767 |
11 | 272807575a4 |
12 | 11448816393 |
13 | 6671242335 |
14 | 34a361863d |
15 | 1bd99c6ccc |
hex | 100eb65b9f |
68966308767 has 24 divisors (see below), whose sum is σ = 94559202192. Its totient is φ = 44710444800.
The previous prime is 68966308753. The next prime is 68966308769. The reversal of 68966308767 is 76780366986.
It is not a de Polignac number, because 68966308767 - 218 = 68966046623 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68966308698 and 68966308707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68966308769) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10350417 + ... + 10357077.
It is an arithmetic number, because the mean of its divisors is an integer number (3939966758).
Almost surely, 268966308767 is an apocalyptic number.
68966308767 is a deficient number, since it is larger than the sum of its proper divisors (25592893425).
68966308767 is a wasteful number, since it uses less digits than its factorization.
68966308767 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9259 (or 9222 counting only the distinct ones).
The product of its (nonzero) digits is 109734912, while the sum is 66.
The spelling of 68966308767 in words is "sixty-eight billion, nine hundred sixty-six million, three hundred eight thousand, seven hundred sixty-seven".
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