Base | Representation |
---|---|
bin | 110011000110011011… |
… | …011101101011101111 |
3 | 12020121220010112200012 |
4 | 303012123131223233 |
5 | 1344332341231131 |
6 | 41112322323435 |
7 | 3651461135060 |
oct | 630633355357 |
9 | 166556115605 |
10 | 54868695791 |
11 | 212a6a48288 |
12 | a7734b957b |
13 | 5235647300 |
14 | 29271b2567 |
15 | 166201152b |
hex | cc66ddaef |
54868695791 has 24 divisors (see below), whose sum is σ = 67923211104. Its totient is φ = 43398875520.
The previous prime is 54868695781. The next prime is 54868695803. The reversal of 54868695791 is 19759686845.
It is a happy number.
It is not a de Polignac number, because 54868695791 - 218 = 54868433647 is a prime.
It is a super-2 number, since 2×548686957912 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54868695731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5461625 + ... + 5471661.
It is an arithmetic number, because the mean of its divisors is an integer number (2830133796).
Almost surely, 254868695791 is an apocalyptic number.
54868695791 is a deficient number, since it is larger than the sum of its proper divisors (13054515313).
54868695791 is a wasteful number, since it uses less digits than its factorization.
54868695791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14691 (or 14678 counting only the distinct ones).
The product of its digits is 130636800, while the sum is 68.
The spelling of 54868695791 in words is "fifty-four billion, eight hundred sixty-eight million, six hundred ninety-five thousand, seven hundred ninety-one".
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