Base | Representation |
---|---|
bin | 111111110100101001… |
… | …101101001111000001 |
3 | 20112212220120010112101 |
4 | 333310221231033001 |
5 | 2110321421131304 |
6 | 51252024030401 |
7 | 4644133411600 |
oct | 776451551701 |
9 | 215786503471 |
10 | 68529083329 |
11 | 27076976663 |
12 | 11346302401 |
13 | 6601799065 |
14 | 3461523a37 |
15 | 1bb140d8a4 |
hex | ff4a6d3c1 |
68529083329 has 12 divisors (see below), whose sum is σ = 80726592000. Its totient is φ = 57995676648.
The previous prime is 68529083327. The next prime is 68529083377. The reversal of 68529083329 is 92338092586.
It is not a de Polignac number, because 68529083329 - 21 = 68529083327 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68529083329.
It is not an unprimeable number, because it can be changed into a prime (68529083327) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8847729 + ... + 8855470.
It is an arithmetic number, because the mean of its divisors is an integer number (6727216000).
Almost surely, 268529083329 is an apocalyptic number.
It is an amenable number.
68529083329 is a deficient number, since it is larger than the sum of its proper divisors (12197508671).
68529083329 is a wasteful number, since it uses less digits than its factorization.
68529083329 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17703292 (or 17703285 counting only the distinct ones).
The product of its (nonzero) digits is 5598720, while the sum is 55.
The spelling of 68529083329 in words is "sixty-eight billion, five hundred twenty-nine million, eighty-three thousand, three hundred twenty-nine".
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