Base | Representation |
---|---|
bin | 111111010110011100… |
… | …011111110101000101 |
3 | 20111120120222002002011 |
4 | 333112130133311011 |
5 | 2103302202212234 |
6 | 51125442014221 |
7 | 4625441021206 |
oct | 772634376505 |
9 | 214516862064 |
10 | 68022304069 |
11 | 269368a9925 |
12 | 11224647371 |
13 | 65507ac385 |
14 | 34140c55ad |
15 | 1b81ba6b64 |
hex | fd671fd45 |
68022304069 has 2 divisors, whose sum is σ = 68022304070. Its totient is φ = 68022304068.
The previous prime is 68022304037. The next prime is 68022304123. The reversal of 68022304069 is 96040322086.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 63269856225 + 4752447844 = 251535^2 + 68938^2 .
It is a cyclic number.
It is not a de Polignac number, because 68022304069 - 25 = 68022304037 is a prime.
It is a super-4 number, since 4×680223040694 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68022304369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34011152034 + 34011152035.
It is an arithmetic number, because the mean of its divisors is an integer number (34011152035).
Almost surely, 268022304069 is an apocalyptic number.
It is an amenable number.
68022304069 is a deficient number, since it is larger than the sum of its proper divisors (1).
68022304069 is an equidigital number, since it uses as much as digits as its factorization.
68022304069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 124416, while the sum is 40.
The spelling of 68022304069 in words is "sixty-eight billion, twenty-two million, three hundred four thousand, sixty-nine".
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