Base | Representation |
---|---|
bin | 111111001100001… |
… | …0110100110001110 |
3 | 12110202202001221122 |
4 | 1332120112212032 |
5 | 13320300010410 |
6 | 550221400542 |
7 | 103354236140 |
oct | 17630264616 |
9 | 5422661848 |
10 | 2120313230 |
11 | 998952792 |
12 | 4b2109152 |
13 | 27a380a19 |
14 | 161856c90 |
15 | c622ae55 |
hex | 7e61698e |
2120313230 has 64 divisors (see below), whose sum is σ = 4547778048. Its totient is φ = 696608640.
The previous prime is 2120313199. The next prime is 2120313233. The reversal of 2120313230 is 323130212.
It is a junction number, because it is equal to n+sod(n) for n = 2120313199 and 2120313208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120313233) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 152885 + ... + 166175.
It is an arithmetic number, because the mean of its divisors is an integer number (71059032).
Almost surely, 22120313230 is an apocalyptic number.
2120313230 is an abundant number, since it is smaller than the sum of its proper divisors (2427464818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120313230 is a wasteful number, since it uses less digits than its factorization.
2120313230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13401.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 2120313230 is about 46046.8590676932. The cubic root of 2120313230 is about 1284.6949227059.
Adding to 2120313230 its reverse (323130212), we get a palindrome (2443443442).
The spelling of 2120313230 in words is "two billion, one hundred twenty million, three hundred thirteen thousand, two hundred thirty".
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