Base | Representation |
---|---|
bin | 111111011111101… |
… | …0010100100000100 |
3 | 12111110221122110011 |
4 | 1332333102210010 |
5 | 13330403122244 |
6 | 551224240004 |
7 | 103540060342 |
oct | 17677224404 |
9 | 5443848404 |
10 | 2130520324 |
11 | 9a36944a9 |
12 | 4b5610004 |
13 | 27c51591a |
14 | 162d52992 |
15 | c7095434 |
hex | 7efd2904 |
2130520324 has 12 divisors (see below), whose sum is σ = 3737997900. Its totient is φ = 1062520928.
The previous prime is 2130520309. The next prime is 2130520333. The reversal of 2130520324 is 4230250312.
It can be written as a sum of positive squares in 2 ways, for example, as 403286724 + 1727233600 = 20082^2 + 41560^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2130520295 and 2130520304.
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 3 ways as a sum of consecutive naturals, for example, 683059 + ... + 686170.
It is an arithmetic number, because the mean of its divisors is an integer number (311499825).
Almost surely, 22130520324 is an apocalyptic number.
It is an amenable number.
2130520324 is a deficient number, since it is larger than the sum of its proper divisors (1607477576).
2130520324 is a wasteful number, since it uses less digits than its factorization.
2130520324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1369622 (or 1369620 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 2130520324 is about 46157.5597708544. The cubic root of 2130520324 is about 1286.7531117105.
Adding to 2130520324 its reverse (4230250312), we get a palindrome (6360770636).
The spelling of 2130520324 in words is "two billion, one hundred thirty million, five hundred twenty thousand, three hundred twenty-four".
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