Base | Representation |
---|---|
bin | 1100010110100101111… |
… | …1010101101011011001 |
3 | 202021210012102121201121 |
4 | 3011221133111223121 |
5 | 11434113121023231 |
6 | 241254412045241 |
7 | 21222042416131 |
oct | 3055137255331 |
9 | 667705377647 |
10 | 212223220441 |
11 | 82004525681 |
12 | 35169163821 |
13 | 170217ab1ab |
14 | a3b3607ac1 |
15 | 57c15d9311 |
hex | 31697d5ad9 |
212223220441 has 8 divisors (see below), whose sum is σ = 216332844800. Its totient is φ = 208149177600.
The previous prime is 212223220427. The next prime is 212223220457. The reversal of 212223220441 is 144022322212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212223220441 - 225 = 212189666009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212223226441) 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, 8883336 + ... + 8907193.
It is an arithmetic number, because the mean of its divisors is an integer number (27041605600).
Almost surely, 2212223220441 is an apocalyptic number.
It is an amenable number.
212223220441 is a deficient number, since it is larger than the sum of its proper divisors (4109624359).
212223220441 is a wasteful number, since it uses less digits than its factorization.
212223220441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17790759.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 212223220441 its reverse (144022322212), we get a palindrome (356245542653).
The spelling of 212223220441 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred twenty thousand, four hundred forty-one".
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