Base | Representation |
---|---|
bin | 111111010101000111… |
… | …111000010110001001 |
3 | 20111112001020010100021 |
4 | 333111013320112021 |
5 | 2103231012402444 |
6 | 51123330340441 |
7 | 4625051334163 |
oct | 772507702611 |
9 | 214461203307 |
10 | 68000122249 |
11 | 26925329344 |
12 | 1121912a721 |
13 | 6549013b37 |
14 | 341118d933 |
15 | 1b7ec74584 |
hex | fd51f8589 |
68000122249 has 2 divisors, whose sum is σ = 68000122250. Its totient is φ = 68000122248.
The previous prime is 68000122241. The next prime is 68000122259. The reversal of 68000122249 is 94222100086.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 59454044224 + 8546078025 = 243832^2 + 92445^2 .
It is a cyclic number.
It is not a de Polignac number, because 68000122249 - 23 = 68000122241 is a prime.
It is not a weakly prime, because it can be changed into another prime (68000122241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34000061124 + 34000061125.
It is an arithmetic number, because the mean of its divisors is an integer number (34000061125).
Almost surely, 268000122249 is an apocalyptic number.
It is an amenable number.
68000122249 is a deficient number, since it is larger than the sum of its proper divisors (1).
68000122249 is an equidigital number, since it uses as much as digits as its factorization.
68000122249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 34.
The spelling of 68000122249 in words is "sixty-eight billion, one hundred twenty-two thousand, two hundred forty-nine".
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