Base | Representation |
---|---|
bin | 111111010000011… |
… | …0100010111010001 |
3 | 12110220220210221121 |
4 | 1332200310113101 |
5 | 13321332013210 |
6 | 550341122241 |
7 | 103412140555 |
oct | 17640642721 |
9 | 5426823847 |
10 | 2122532305 |
11 | 99a128a33 |
12 | 4b29b9381 |
13 | 27a979a9a |
14 | 161c73865 |
15 | c65186da |
hex | 7e8345d1 |
2122532305 has 16 divisors (see below), whose sum is σ = 2586893184. Its totient is φ = 1671546240.
The previous prime is 2122532303. The next prime is 2122532309. The reversal of 2122532305 is 5032352212.
It is not a de Polignac number, because 2122532305 - 21 = 2122532303 is a prime.
It is a super-2 number, since 2×21225323052 = 9010286771537226050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2122532305.
It is not an unprimeable number, because it can be changed into a prime (2122532303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194340 + ... + 204970.
It is an arithmetic number, because the mean of its divisors is an integer number (161680824).
Almost surely, 22122532305 is an apocalyptic number.
It is an amenable number.
2122532305 is a deficient number, since it is larger than the sum of its proper divisors (464360879).
2122532305 is a wasteful number, since it uses less digits than its factorization.
2122532305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11256.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 2122532305 is about 46070.9486010436. The cubic root of 2122532305 is about 1285.1429446274.
Adding to 2122532305 its reverse (5032352212), we get a palindrome (7154884517).
The spelling of 2122532305 in words is "two billion, one hundred twenty-two million, five hundred thirty-two thousand, three hundred five".
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