Base | Representation |
---|---|
bin | 11000011111110010001101… |
… | …01111011011111010101100 |
3 | 21001201210110000000100222012 |
4 | 30033321012233123322230 |
5 | 24030041012131313133 |
6 | 310322531314140352 |
7 | 14226611530465550 |
oct | 1417710657337254 |
9 | 231653400010865 |
10 | 53868666666668 |
11 | 16189633a86557 |
12 | 60601375816b8 |
13 | 2409a4133a949 |
14 | d43386361860 |
15 | 6363aabceb48 |
hex | 30fe46bdbeac |
53868666666668 has 12 divisors (see below), whose sum is σ = 107737333333392. Its totient is φ = 23086571428560.
The previous prime is 53868666666631. The next prime is 53868666666677. The reversal of 53868666666668 is 86666666686835.
53868666666668 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 53868666666668.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961940476163 + ... + 961940476218.
It is an arithmetic number, because the mean of its divisors is an integer number (8978111111116).
Almost surely, 253868666666668 is an apocalyptic number.
It is an amenable number.
53868666666668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53868666666668 is a wasteful number, since it uses less digits than its factorization.
53868666666668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1923880952392 (or 1923880952390 counting only the distinct ones).
The product of its digits is 77396705280, while the sum is 86.
The spelling of 53868666666668 in words is "fifty-three trillion, eight hundred sixty-eight billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-eight".
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