Base | Representation |
---|---|
bin | 1010011100010100… |
… | …0100101100111001 |
3 | 21020100120111200021 |
4 | 2213011010230321 |
5 | 21220100000144 |
6 | 1142052410441 |
7 | 126315112144 |
oct | 24705045471 |
9 | 7210514607 |
10 | 2803125049 |
11 | 120932237a |
12 | 662916a21 |
13 | 35898279a |
14 | 1c83d905b |
15 | 116155884 |
hex | a7144b39 |
2803125049 has 2 divisors, whose sum is σ = 2803125050. Its totient is φ = 2803125048.
The previous prime is 2803125047. The next prime is 2803125103. The reversal of 2803125049 is 9405213082.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2755515049 + 47610000 = 52493^2 + 6900^2 .
It is a cyclic number.
It is not a de Polignac number, because 2803125049 - 21 = 2803125047 is a prime.
Together with 2803125047, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2803125047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401562524 + 1401562525.
It is an arithmetic number, because the mean of its divisors is an integer number (1401562525).
Almost surely, 22803125049 is an apocalyptic number.
It is an amenable number.
2803125049 is a deficient number, since it is larger than the sum of its proper divisors (1).
2803125049 is an equidigital number, since it uses as much as digits as its factorization.
2803125049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 2803125049 is about 52944.5469241167. The cubic root of 2803125049 is about 1409.9839122622.
The spelling of 2803125049 in words is "two billion, eight hundred three million, one hundred twenty-five thousand, forty-nine".
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