Base | Representation |
---|---|
bin | 1001010010101011… |
… | …0011111101110001 |
3 | 20102211101001221200 |
4 | 2110222303331301 |
5 | 20102012011430 |
6 | 1051300241413 |
7 | 115544532261 |
oct | 22452637561 |
9 | 6384331850 |
10 | 2494250865 |
11 | 106aa37657 |
12 | 5973a0269 |
13 | 3099986b2 |
14 | 1993957a1 |
15 | e8e92460 |
hex | 94ab3f71 |
2494250865 has 12 divisors (see below), whose sum is σ = 4323368244. Its totient is φ = 1330267104.
The previous prime is 2494250851. The next prime is 2494250903. The reversal of 2494250865 is 5680524942.
2494250865 is a `hidden beast` number, since 2 + 49 + 42 + 508 + 65 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 420086016 + 2074164849 = 20496^2 + 45543^2 .
It is not a de Polignac number, because 2494250865 - 28 = 2494250609 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 55427797 = 2494250865 / (2 + 4 + 9 + 4 + 2 + 5 + 0 + 8 + 6 + 5).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2494250865.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27713854 + ... + 27713943.
It is an arithmetic number, because the mean of its divisors is an integer number (360280687).
Almost surely, 22494250865 is an apocalyptic number.
It is an amenable number.
2494250865 is a deficient number, since it is larger than the sum of its proper divisors (1829117379).
2494250865 is a wasteful number, since it uses less digits than its factorization.
2494250865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55427808 (or 55427805 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 45.
The square root of 2494250865 is about 49942.4755593873. The cubic root of 2494250865 is about 1356.1676395582.
The spelling of 2494250865 in words is "two billion, four hundred ninety-four million, two hundred fifty thousand, eight hundred sixty-five".
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