Base | Representation |
---|---|
bin | 10110101110011111… |
… | …11110100011111001 |
3 | 1011111022202102101112 |
4 | 23113033332203321 |
5 | 144442003140231 |
6 | 5334414330105 |
7 | 611233460630 |
oct | 132717764371 |
9 | 34438672345 |
10 | 12201224441 |
11 | 51a130056a |
12 | 24461b9935 |
13 | 11c5a5a243 |
14 | 83a63c517 |
15 | 4b626c92b |
hex | 2d73fe8f9 |
12201224441 has 8 divisors (see below), whose sum is σ = 14120766720. Its totient is φ = 10325809728.
The previous prime is 12201224429. The next prime is 12201224449. The reversal of 12201224441 is 14442210221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12201224441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12201224449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11031296 + ... + 11032401.
It is an arithmetic number, because the mean of its divisors is an integer number (1765095840).
Almost surely, 212201224441 is an apocalyptic number.
It is an amenable number.
12201224441 is a deficient number, since it is larger than the sum of its proper divisors (1919542279).
12201224441 is an equidigital number, since it uses as much as digits as its factorization.
12201224441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22063783.
The product of its (nonzero) digits is 1024, while the sum is 23.
Adding to 12201224441 its reverse (14442210221), we get a palindrome (26643434662).
The spelling of 12201224441 in words is "twelve billion, two hundred one million, two hundred twenty-four thousand, four hundred forty-one".
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