Base | Representation |
---|---|
bin | 10110101111110011… |
… | …00101110101101110 |
3 | 1011112002021122102202 |
4 | 23113321211311232 |
5 | 200002301230410 |
6 | 5335444221502 |
7 | 611425263653 |
oct | 132771456556 |
9 | 34462248382 |
10 | 12212133230 |
11 | 51a74814a0 |
12 | 244999a892 |
13 | 11c80a964b |
14 | 83bc7bc2a |
15 | 4b71c4ca5 |
hex | 2d7e65d6e |
12212133230 has 16 divisors (see below), whose sum is σ = 23980189104. Its totient is φ = 4440775680.
The previous prime is 12212133229. The next prime is 12212133239. The reversal of 12212133230 is 3233121221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212133239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55509587 + ... + 55509806.
It is an arithmetic number, because the mean of its divisors is an integer number (1498761819).
Almost surely, 212212133230 is an apocalyptic number.
12212133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12212133230 is a deficient number, since it is larger than the sum of its proper divisors (11768055874).
12212133230 is a wasteful number, since it uses less digits than its factorization.
12212133230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111019411.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 12212133230 its reverse (3233121221), we get a palindrome (15445254451).
The spelling of 12212133230 in words is "twelve billion, two hundred twelve million, one hundred thirty-three thousand, two hundred thirty".
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