Base | Representation |
---|---|
bin | 100000000001011011… |
… | …1001000101010011000 |
3 | 20120111112011011112220 |
4 | 1000002313020222120 |
5 | 2111313434001233 |
6 | 51331421504040 |
7 | 4653056655126 |
oct | 1000267105230 |
9 | 216445134486 |
10 | 68767484568 |
11 | 271894a7a82 |
12 | 113b2112020 |
13 | 663bcaa293 |
14 | 3485060916 |
15 | 1bc7300eb3 |
hex | 1002dc8a98 |
68767484568 has 32 divisors (see below), whose sum is σ = 176565165360. Its totient is φ = 22302967680.
The previous prime is 68767484563. The next prime is 68767484623. The reversal of 68767484568 is 86548476786.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68767484563) by changing a digit.
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, 38719543 + ... + 38721318.
Almost surely, 268767484568 is an apocalyptic number.
It is an amenable number.
68767484568 is an abundant number, since it is smaller than the sum of its proper divisors (107797680792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68767484568 is a wasteful number, since it uses less digits than its factorization.
68767484568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77440907 (or 77440903 counting only the distinct ones).
The product of its digits is 433520640, while the sum is 69.
The spelling of 68767484568 in words is "sixty-eight billion, seven hundred sixty-seven million, four hundred eighty-four thousand, five hundred sixty-eight".
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