Base | Representation |
---|---|
bin | 111111111001111… |
… | …1001101011101111 |
3 | 12112102220100010201 |
4 | 1333303321223233 |
5 | 13342420441142 |
6 | 552440014331 |
7 | 104065231423 |
oct | 17763715357 |
9 | 5472810121 |
10 | 2144312047 |
11 | a00454419 |
12 | 4ba1613a7 |
13 | 2823342c7 |
14 | 164b02b83 |
15 | c83bbab7 |
hex | 7fcf9aef |
2144312047 has 2 divisors, whose sum is σ = 2144312048. Its totient is φ = 2144312046.
The previous prime is 2144312041. The next prime is 2144312111. The reversal of 2144312047 is 7402134412.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2144312047 - 219 = 2143787759 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2144312041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072156023 + 1072156024.
It is an arithmetic number, because the mean of its divisors is an integer number (1072156024).
Almost surely, 22144312047 is an apocalyptic number.
2144312047 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144312047 is an equidigital number, since it uses as much as digits as its factorization.
2144312047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 2144312047 is about 46306.7170829460. The cubic root of 2144312047 is about 1289.5237003294.
Adding to 2144312047 its reverse (7402134412), we get a palindrome (9546446459).
The spelling of 2144312047 in words is "two billion, one hundred forty-four million, three hundred twelve thousand, forty-seven".
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