Base | Representation |
---|---|
bin | 10001101001000011100… |
… | …000101110100100110010 |
3 | 11021220012012121011220100 |
4 | 101221003200232210302 |
5 | 124330304214232242 |
6 | 2324532404053230 |
7 | 153405154063551 |
oct | 21510340564462 |
9 | 4256165534810 |
10 | 1212313430322 |
11 | 428159365595 |
12 | 176b55394216 |
13 | 8a422670357 |
14 | 42967a13d98 |
15 | 21805c1e54c |
hex | 11a4382e932 |
1212313430322 has 24 divisors (see below), whose sum is σ = 2627327979900. Its totient is φ = 404004648960.
The previous prime is 1212313430311. The next prime is 1212313430329. The reversal of 1212313430322 is 2230343132121.
1212313430322 is a `hidden beast` number, since 1 + 21 + 2 + 313 + 4 + 3 + 0 + 322 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 962084377881 + 250229052441 = 980859^2 + 500229^2 .
It is not an unprimeable number, because it can be changed into a prime (1212313430329) 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 11 ways as a sum of consecutive naturals, for example, 8244079 + ... + 8389842.
Almost surely, 21212313430322 is an apocalyptic number.
1212313430322 is an abundant number, since it is smaller than the sum of its proper divisors (1415014549578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212313430322 is a wasteful number, since it uses less digits than its factorization.
1212313430322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16637978 (or 16637975 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 1212313430322 its reverse (2230343132121), we get a palindrome (3442656562443).
It can be divided in two parts, 121231 and 3430322, that added together give a palindrome (3551553).
The spelling of 1212313430322 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, four hundred thirty thousand, three hundred twenty-two".
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