Base | Representation |
---|---|
bin | 11110111100100011010111… |
… | …11001010010001110010110 |
3 | 22220221122020011010020110100 |
4 | 33132101223321102032112 |
5 | 32404423001114014130 |
6 | 400422153415434530 |
7 | 20222353650052326 |
oct | 1736215371221626 |
9 | 286848204106410 |
10 | 68051272016790 |
11 | 1a757422a62437 |
12 | 7770961385a46 |
13 | 2bc829090030a |
14 | 12b39b0621286 |
15 | 7d0282dc1c60 |
hex | 3de46be52396 |
68051272016790 has 96 divisors (see below), whose sum is σ = 177076354250016. Its totient is φ = 18132339939840.
The previous prime is 68051272016753. The next prime is 68051272016821. The reversal of 68051272016790 is 9761027215086.
68051272016790 is a `hidden beast` number, since 6 + 8 + 0 + 512 + 7 + 20 + 16 + 7 + 90 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 617016450 + ... + 617126730.
It is an arithmetic number, because the mean of its divisors is an integer number (1844545356771).
Almost surely, 268051272016790 is an apocalyptic number.
68051272016790 is an abundant number, since it is smaller than the sum of its proper divisors (109025082233226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68051272016790 is a wasteful number, since it uses less digits than its factorization.
68051272016790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115774 (or 115771 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 54.
The spelling of 68051272016790 in words is "sixty-eight trillion, fifty-one billion, two hundred seventy-two million, sixteen thousand, seven hundred ninety".
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