Base | Representation |
---|---|
bin | 111111111001100… |
… | …1101011111101001 |
3 | 12112102120010212002 |
4 | 1333303031133221 |
5 | 13342344143144 |
6 | 552432100345 |
7 | 104063545634 |
oct | 17763153751 |
9 | 5472503762 |
10 | 2144131049 |
11 | a00340435 |
12 | 4ba0946b5 |
13 | 28229cac8 |
14 | 164a96c1b |
15 | c838314e |
hex | 7fccd7e9 |
2144131049 has 2 divisors, whose sum is σ = 2144131050. Its totient is φ = 2144131048.
The previous prime is 2144131013. The next prime is 2144131061. The reversal of 2144131049 is 9401314412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1242210025 + 901921024 = 35245^2 + 30032^2 .
It is a cyclic number.
It is not a de Polignac number, because 2144131049 - 216 = 2144065513 is a prime.
It is not a weakly prime, because it can be changed into another prime (2144131349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072065524 + 1072065525.
It is an arithmetic number, because the mean of its divisors is an integer number (1072065525).
Almost surely, 22144131049 is an apocalyptic number.
It is an amenable number.
2144131049 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144131049 is an equidigital number, since it uses as much as digits as its factorization.
2144131049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 2144131049 is about 46304.7627032037. The cubic root of 2144131049 is about 1289.4874170875.
The spelling of 2144131049 in words is "two billion, one hundred forty-four million, one hundred thirty-one thousand, forty-nine".
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