Base | Representation |
---|---|
bin | 100100000111111… |
… | …1010010000010100 |
3 | 10010110211121012201 |
4 | 1020033322100110 |
5 | 4440301132244 |
6 | 320140054244 |
7 | 42015636436 |
oct | 11017722024 |
9 | 3113747181 |
10 | 1212130324 |
11 | 5722414a9 |
12 | 299b34384 |
13 | 1641808a2 |
14 | b6daa656 |
15 | 71634ad4 |
hex | 483fa414 |
1212130324 has 12 divisors (see below), whose sum is σ = 2132220244. Its totient is φ = 602924544.
The previous prime is 1212130319. The next prime is 1212130343. The reversal of 1212130324 is 4230312121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 690007824 + 522122500 = 26268^2 + 22850^2 .
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 3 ways as a sum of consecutive naturals, for example, 784287 + ... + 785830.
Almost surely, 21212130324 is an apocalyptic number.
It is an amenable number.
1212130324 is a deficient number, since it is larger than the sum of its proper divisors (920089920).
1212130324 is a wasteful number, since it uses less digits than its factorization.
1212130324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1570314 (or 1570312 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1212130324 is about 34815.6620502900. The cubic root of 1212130324 is about 1066.2272359647.
Adding to 1212130324 its reverse (4230312121), we get a palindrome (5442442445).
The spelling of 1212130324 in words is "one billion, two hundred twelve million, one hundred thirty thousand, three hundred twenty-four".
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