Base | Representation |
---|---|
bin | 1000000100001101… |
… | …0100001111111000 |
3 | 12120220002000022121 |
4 | 2001003110033320 |
5 | 13413233131412 |
6 | 554502131024 |
7 | 104440206016 |
oct | 20103241770 |
9 | 5526060277 |
10 | 2165130232 |
11 | a11183431 |
12 | 505120a74 |
13 | 286742c65 |
14 | 1677a18b6 |
15 | ca130107 |
hex | 810d43f8 |
2165130232 has 32 divisors (see below), whose sum is σ = 4123029600. Its totient is φ = 1065702400.
The previous prime is 2165130223. The next prime is 2165130283. The reversal of 2165130232 is 2320315612.
It is a junction number, because it is equal to n+sod(n) for n = 2165130197 and 2165130206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429744 + ... + 434752.
It is an arithmetic number, because the mean of its divisors is an integer number (128844675).
Almost surely, 22165130232 is an apocalyptic number.
It is an amenable number.
2165130232 is a deficient number, since it is larger than the sum of its proper divisors (1957899368).
2165130232 is a wasteful number, since it uses less digits than its factorization.
2165130232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5847 (or 5843 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 2165130232 is about 46530.9599299219. The cubic root of 2165130232 is about 1293.6834076143.
Adding to 2165130232 its reverse (2320315612), we get a palindrome (4485445844).
The spelling of 2165130232 in words is "two billion, one hundred sixty-five million, one hundred thirty thousand, two hundred thirty-two".
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