Base | Representation |
---|---|
bin | 1000000111001… |
… | …11110000100101 |
3 | 11202001201020012 |
4 | 10003213300211 |
5 | 114410330044 |
6 | 10430420005 |
7 | 1454325155 |
oct | 403476045 |
9 | 152051205 |
10 | 68058149 |
11 | 35465105 |
12 | 1a961605 |
13 | 1113b9c3 |
14 | 9078765 |
15 | 5e9559e |
hex | 40e7c25 |
68058149 has 2 divisors, whose sum is σ = 68058150. Its totient is φ = 68058148.
The previous prime is 68058139. The next prime is 68058187. The reversal of 68058149 is 94185086.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 66945124 + 1113025 = 8182^2 + 1055^2 .
It is a cyclic number.
It is not a de Polignac number, because 68058149 - 28 = 68057893 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68058139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34029074 + 34029075.
It is an arithmetic number, because the mean of its divisors is an integer number (34029075).
Almost surely, 268058149 is an apocalyptic number.
It is an amenable number.
68058149 is a deficient number, since it is larger than the sum of its proper divisors (1).
68058149 is an equidigital number, since it uses as much as digits as its factorization.
68058149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69120, while the sum is 41.
The square root of 68058149 is about 8249.7362988159. The cubic root of 68058149 is about 408.2818222217.
The spelling of 68058149 in words is "sixty-eight million, fifty-eight thousand, one hundred forty-nine".
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