Base | Representation |
---|---|
bin | 1010001000100000… |
… | …1110111011011001 |
3 | 21000120021201211221 |
4 | 2202020032323121 |
5 | 21032314123124 |
6 | 1125524252041 |
7 | 124256122222 |
oct | 24210167331 |
9 | 7016251757 |
10 | 2720067289 |
11 | 11764528a5 |
12 | 63ab41021 |
13 | 3446c1694 |
14 | 1bb378249 |
15 | 10dbeace4 |
hex | a220eed9 |
2720067289 has 2 divisors, whose sum is σ = 2720067290. Its totient is φ = 2720067288.
The previous prime is 2720067283. The next prime is 2720067313. The reversal of 2720067289 is 9827600272.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2651426064 + 68641225 = 51492^2 + 8285^2 .
It is a cyclic number.
It is not a de Polignac number, because 2720067289 - 25 = 2720067257 is a prime.
It is not a weakly prime, because it can be changed into another prime (2720067283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360033644 + 1360033645.
It is an arithmetic number, because the mean of its divisors is an integer number (1360033645).
Almost surely, 22720067289 is an apocalyptic number.
It is an amenable number.
2720067289 is a deficient number, since it is larger than the sum of its proper divisors (1).
2720067289 is an equidigital number, since it uses as much as digits as its factorization.
2720067289 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 2720067289 is about 52154.2643414707. The cubic root of 2720067289 is about 1395.9179202117.
The spelling of 2720067289 in words is "two billion, seven hundred twenty million, sixty-seven thousand, two hundred eighty-nine".
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