Base | Representation |
---|---|
bin | 111101000100101… |
… | …1001111010000001 |
3 | 12021211002111120122 |
4 | 1322021121322001 |
5 | 13144104121021 |
6 | 535203150025 |
7 | 101532433025 |
oct | 17211317201 |
9 | 5254074518 |
10 | 2049285761 |
11 | 96184a7a6 |
12 | 492375315 |
13 | 268742633 |
14 | 156248385 |
15 | bed9abab |
hex | 7a259e81 |
2049285761 has 2 divisors, whose sum is σ = 2049285762. Its totient is φ = 2049285760.
The previous prime is 2049285731. The next prime is 2049285767. The reversal of 2049285761 is 1675829402.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1496142400 + 553143361 = 38680^2 + 23519^2 .
It is a cyclic number.
It is not a de Polignac number, because 2049285761 - 222 = 2045091457 is a prime.
It is not a weakly prime, because it can be changed into another prime (2049285767) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024642880 + 1024642881.
It is an arithmetic number, because the mean of its divisors is an integer number (1024642881).
Almost surely, 22049285761 is an apocalyptic number.
It is an amenable number.
2049285761 is a deficient number, since it is larger than the sum of its proper divisors (1).
2049285761 is an equidigital number, since it uses as much as digits as its factorization.
2049285761 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 241920, while the sum is 44.
The square root of 2049285761 is about 45269.0375532770. The cubic root of 2049285761 is about 1270.1865435781.
The spelling of 2049285761 in words is "two billion, forty-nine million, two hundred eighty-five thousand, seven hundred sixty-one".
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