Base | Representation |
---|---|
bin | 111111110100011011… |
… | …011101111000011011 |
3 | 20112212122112110221202 |
4 | 333310123131320123 |
5 | 2110314442203202 |
6 | 51251412024415 |
7 | 4644056603522 |
oct | 776433357033 |
9 | 215778473852 |
10 | 68525350427 |
11 | 27074857016 |
12 | 1134500210b |
13 | 6600a8cc41 |
14 | 3460c314b9 |
15 | 1bb0e22802 |
hex | ff46dde1b |
68525350427 has 2 divisors, whose sum is σ = 68525350428. Its totient is φ = 68525350426.
The previous prime is 68525350381. The next prime is 68525350459. The reversal of 68525350427 is 72405352586.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68525350427 - 220 = 68524301851 is a prime.
It is a super-2 number, since 2×685253504272 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (68525350627) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34262675213 + 34262675214.
It is an arithmetic number, because the mean of its divisors is an integer number (34262675214).
Almost surely, 268525350427 is an apocalyptic number.
68525350427 is a deficient number, since it is larger than the sum of its proper divisors (1).
68525350427 is an equidigital number, since it uses as much as digits as its factorization.
68525350427 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016000, while the sum is 47.
The spelling of 68525350427 in words is "sixty-eight billion, five hundred twenty-five million, three hundred fifty thousand, four hundred twenty-seven".
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