Base | Representation |
---|---|
bin | 1000000110110… |
… | …01111101001011 |
3 | 11201221211200012 |
4 | 10003121331023 |
5 | 114402022421 |
6 | 10425302135 |
7 | 1454001266 |
oct | 403317513 |
9 | 151854605 |
10 | 68001611 |
11 | 35426687 |
12 | 1a93494b |
13 | 1111c052 |
14 | 9061cdd |
15 | 5e8395b |
hex | 40d9f4b |
68001611 has 2 divisors, whose sum is σ = 68001612. Its totient is φ = 68001610.
The previous prime is 68001517. The next prime is 68001653. The reversal of 68001611 is 11610086.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68001611 - 226 = 892747 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (68001691) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34000805 + 34000806.
It is an arithmetic number, because the mean of its divisors is an integer number (34000806).
Almost surely, 268001611 is an apocalyptic number.
68001611 is a deficient number, since it is larger than the sum of its proper divisors (1).
68001611 is an equidigital number, since it uses as much as digits as its factorization.
68001611 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 68001611 is about 8246.3089318798. The cubic root of 68001611 is about 408.1687334733.
Adding to 68001611 its reverse (11610086), we get a palindrome (79611697).
The spelling of 68001611 in words is "sixty-eight million, one thousand, six hundred eleven".
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