Base | Representation |
---|---|
bin | 11111001110101010110101… |
… | …10100101000011000001000 |
3 | 100000011010222010020221220200 |
4 | 33213111122310220120020 |
5 | 33000122322443421211 |
6 | 402020142104252200 |
7 | 20315341455215331 |
oct | 1747253264503010 |
9 | 300133863227820 |
10 | 68673755842056 |
11 | 1a977415940702 |
12 | 7851525a71060 |
13 | 2c41ba46c0631 |
14 | 12d5b829cb288 |
15 | 7e1566a8db56 |
hex | 3e755ad28608 |
68673755842056 has 96 divisors (see below), whose sum is σ = 186851687742720. Its totient is φ = 22785401923200.
The previous prime is 68673755842031. The next prime is 68673755842169. The reversal of 68673755842056 is 65024855737686.
68673755842056 is a `hidden beast` number, since 6 + 8 + 6 + 7 + 37 + 5 + 584 + 2 + 0 + 5 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115483246 + ... + 116076386.
It is an arithmetic number, because the mean of its divisors is an integer number (1946371747320).
Almost surely, 268673755842056 is an apocalyptic number.
It is an amenable number.
68673755842056 is an abundant number, since it is smaller than the sum of its proper divisors (118177931900664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68673755842056 is a wasteful number, since it uses less digits than its factorization.
68673755842056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600587 (or 600580 counting only the distinct ones).
The product of its (nonzero) digits is 2032128000, while the sum is 72.
The spelling of 68673755842056 in words is "sixty-eight trillion, six hundred seventy-three billion, seven hundred fifty-five million, eight hundred forty-two thousand, fifty-six".
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