Base | Representation |
---|---|
bin | 111111110100011011… |
… | …011101110110111011 |
3 | 20112212122112110211012 |
4 | 333310123131312323 |
5 | 2110314442202311 |
6 | 51251412024135 |
7 | 4644056603324 |
oct | 776433356673 |
9 | 215778473735 |
10 | 68525350331 |
11 | 27074856a39 |
12 | 1134500204b |
13 | 6600a8cb99 |
14 | 3460c3144b |
15 | 1bb0e2278b |
hex | ff46dddbb |
68525350331 has 2 divisors, whose sum is σ = 68525350332. Its totient is φ = 68525350330.
The previous prime is 68525350321. The next prime is 68525350349. The reversal of 68525350331 is 13305352586.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68525350331 - 218 = 68525088187 is a prime.
It is a super-2 number, since 2×685253503312 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (68525350321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34262675165 + 34262675166.
It is an arithmetic number, because the mean of its divisors is an integer number (34262675166).
Almost surely, 268525350331 is an apocalyptic number.
68525350331 is a deficient number, since it is larger than the sum of its proper divisors (1).
68525350331 is an equidigital number, since it uses as much as digits as its factorization.
68525350331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324000, while the sum is 41.
The spelling of 68525350331 in words is "sixty-eight billion, five hundred twenty-five million, three hundred fifty thousand, three hundred thirty-one".
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