Base | Representation |
---|---|
bin | 1000011100000100… |
… | …0101001001011101 |
3 | 12211212101110100222 |
4 | 2013001011021131 |
5 | 14114343114024 |
6 | 1012435131125 |
7 | 110063642114 |
oct | 20701051135 |
9 | 5755343328 |
10 | 2265207389 |
11 | a62717925 |
12 | 532743aa5 |
13 | 2a13b2903 |
14 | 176bb2c7b |
15 | d3cec85e |
hex | 8704525d |
2265207389 has 2 divisors, whose sum is σ = 2265207390. Its totient is φ = 2265207388.
The previous prime is 2265207383. The next prime is 2265207391. The reversal of 2265207389 is 9837025622.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1511265625 + 753941764 = 38875^2 + 27458^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2265207389 is a prime.
Together with 2265207391, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2265207383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132603694 + 1132603695.
It is an arithmetic number, because the mean of its divisors is an integer number (1132603695).
Almost surely, 22265207389 is an apocalyptic number.
It is an amenable number.
2265207389 is a deficient number, since it is larger than the sum of its proper divisors (1).
2265207389 is an equidigital number, since it uses as much as digits as its factorization.
2265207389 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 362880, while the sum is 44.
The square root of 2265207389 is about 47594.1949086230. The cubic root of 2265207389 is about 1313.3162659292.
The spelling of 2265207389 in words is "two billion, two hundred sixty-five million, two hundred seven thousand, three hundred eighty-nine".
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