Base | Representation |
---|---|
bin | 1000010110111011… |
… | …0001010111100101 |
3 | 12210100210020112100 |
4 | 2011232301113211 |
5 | 14043332134230 |
6 | 1010344442313 |
7 | 106412354661 |
oct | 20556612745 |
9 | 5710706470 |
10 | 2243630565 |
11 | a5151a940 |
12 | 527479399 |
13 | 299a99867 |
14 | 173d978a1 |
15 | d1e89660 |
hex | 85bb15e5 |
2243630565 has 96 divisors (see below), whose sum is σ = 4530898944. Its totient is φ = 1016104320.
The previous prime is 2243630551. The next prime is 2243630593. The reversal of 2243630565 is 5650363422.
2243630565 is a `hidden beast` number, since 22 + 43 + 6 + 30 + 565 = 666.
It is not a de Polignac number, because 2243630565 - 222 = 2239436261 is a prime.
It is a super-2 number, since 2×22436305652 = 10067756224404438450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 in 95 ways as a sum of consecutive naturals, for example, 487264 + ... + 491846.
It is an arithmetic number, because the mean of its divisors is an integer number (47196864).
Almost surely, 22243630565 is an apocalyptic number.
It is an amenable number.
2243630565 is an abundant number, since it is smaller than the sum of its proper divisors (2287268379).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2243630565 is a wasteful number, since it uses less digits than its factorization.
2243630565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4671 (or 4668 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 36.
The square root of 2243630565 is about 47366.9775793221. The cubic root of 2243630565 is about 1309.1330364902.
Adding to 2243630565 its reverse (5650363422), we get a palindrome (7893993987).
The spelling of 2243630565 in words is "two billion, two hundred forty-three million, six hundred thirty thousand, five hundred sixty-five".
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