Base | Representation |
---|---|
bin | 111111110100010100… |
… | …101011111000111001 |
3 | 20112212112012011111110 |
4 | 333310110223320321 |
5 | 2110314013312133 |
6 | 51251305550533 |
7 | 4644035521104 |
oct | 776424537071 |
9 | 215775164443 |
10 | 68523572793 |
11 | 270738524a5 |
12 | 113444a5449 |
13 | 66005b9aa0 |
14 | 34608cb73b |
15 | 1bb0bc0c63 |
hex | ff452be39 |
68523572793 has 16 divisors (see below), whose sum is σ = 98409239936. Its totient is φ = 42161316480.
The previous prime is 68523572743. The next prime is 68523572797. The reversal of 68523572793 is 39727532586.
It is not a de Polignac number, because 68523572793 - 221 = 68521475641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68523572797) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95196 + ... + 382242.
It is an arithmetic number, because the mean of its divisors is an integer number (6150577496).
Almost surely, 268523572793 is an apocalyptic number.
It is an amenable number.
68523572793 is a deficient number, since it is larger than the sum of its proper divisors (29885667143).
68523572793 is a wasteful number, since it uses less digits than its factorization.
68523572793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293184.
The product of its digits is 19051200, while the sum is 57.
The spelling of 68523572793 in words is "sixty-eight billion, five hundred twenty-three million, five hundred seventy-two thousand, seven hundred ninety-three".
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