Base | Representation |
---|---|
bin | 111111111001011… |
… | …0100111010111001 |
3 | 12112102101000210002 |
4 | 1333302310322321 |
5 | 13342332433033 |
6 | 552430002345 |
7 | 104062646321 |
oct | 17762647271 |
9 | 5472330702 |
10 | 2144030393 |
11 | a0028184a |
12 | 4ba0463b5 |
13 | 28226604b |
14 | 164a6c281 |
15 | c83633e8 |
hex | 7fcb4eb9 |
2144030393 has 2 divisors, whose sum is σ = 2144030394. Its totient is φ = 2144030392.
The previous prime is 2144030363. The next prime is 2144030419. The reversal of 2144030393 is 3930304412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2124564649 + 19465744 = 46093^2 + 4412^2 .
It is a cyclic number.
It is not a de Polignac number, because 2144030393 - 214 = 2144014009 is a prime.
It is a super-2 number, since 2×21440303932 = 9193732652215468898, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2144030333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072015196 + 1072015197.
It is an arithmetic number, because the mean of its divisors is an integer number (1072015197).
Almost surely, 22144030393 is an apocalyptic number.
It is an amenable number.
2144030393 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144030393 is an equidigital number, since it uses as much as digits as its factorization.
2144030393 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 29.
The square root of 2144030393 is about 46303.6758044110. The cubic root of 2144030393 is about 1289.4672384894.
The spelling of 2144030393 in words is "two billion, one hundred forty-four million, thirty thousand, three hundred ninety-three".
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