Base | Representation |
---|---|
bin | 1001010010100011… |
… | …1001011110011101 |
3 | 20102210102120201121 |
4 | 2110220321132131 |
5 | 20101344433044 |
6 | 1051241410541 |
7 | 115540342453 |
oct | 22450713635 |
9 | 6383376647 |
10 | 2493749149 |
11 | 106a724711 |
12 | 597199a51 |
13 | 309851218 |
14 | 1992a49d3 |
15 | e8de3984 |
hex | 94a3979d |
2493749149 has 2 divisors, whose sum is σ = 2493749150. Its totient is φ = 2493749148.
The previous prime is 2493749129. The next prime is 2493749173. The reversal of 2493749149 is 9419473942.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1902529924 + 591219225 = 43618^2 + 24315^2 .
It is a cyclic number.
It is not a de Polignac number, because 2493749149 - 219 = 2493224861 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2493749096 and 2493749105.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2493749119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246874574 + 1246874575.
It is an arithmetic number, because the mean of its divisors is an integer number (1246874575).
Almost surely, 22493749149 is an apocalyptic number.
It is an amenable number.
2493749149 is a deficient number, since it is larger than the sum of its proper divisors (1).
2493749149 is an equidigital number, since it uses as much as digits as its factorization.
2493749149 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1959552, while the sum is 52.
The square root of 2493749149 is about 49937.4523679372. The cubic root of 2493749149 is about 1356.0767028847.
The spelling of 2493749149 in words is "two billion, four hundred ninety-three million, seven hundred forty-nine thousand, one hundred forty-nine".
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