Base | Representation |
---|---|
bin | 10110110000111001… |
… | …01011101101101010 |
3 | 1011112201121000020011 |
4 | 23120130223231222 |
5 | 200012130113310 |
6 | 5340413322134 |
7 | 611566416334 |
oct | 133034535552 |
9 | 34481530204 |
10 | 12221332330 |
11 | 5201694959 |
12 | 2450a9634a |
13 | 11c9c7a7bc |
14 | 83d194454 |
15 | 4b7de078a |
hex | 2d872bb6a |
12221332330 has 8 divisors (see below), whose sum is σ = 21998398212. Its totient is φ = 4888532928.
The previous prime is 12221332259. The next prime is 12221332339. The reversal of 12221332330 is 3323312221.
It can be written as a sum of positive squares in 2 ways, for example, as 11789399241 + 431933089 = 108579^2 + 20783^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12221332339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611066607 + ... + 611066626.
Almost surely, 212221332330 is an apocalyptic number.
12221332330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12221332330 is a deficient number, since it is larger than the sum of its proper divisors (9777065882).
12221332330 is a wasteful number, since it uses less digits than its factorization.
12221332330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1222133240.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 12221332330 its reverse (3323312221), we get a palindrome (15544644551).
The spelling of 12221332330 in words is "twelve billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred thirty".
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