Base | Representation |
---|---|
bin | 1011110001010110000… |
… | …1000001101101101101 |
3 | 201022222100222001120100 |
4 | 2330111201001231231 |
5 | 11303123424122341 |
6 | 232522311341313 |
7 | 20416211253204 |
oct | 2742541015555 |
9 | 638870861510 |
10 | 202224442221 |
11 | 788434755aa |
12 | 33238681839 |
13 | 160ba12ab89 |
14 | 9b056c223b |
15 | 53d88bd3b6 |
hex | 2f15841b6d |
202224442221 has 12 divisors (see below), whose sum is σ = 297052853760. Its totient is φ = 132531272520.
The previous prime is 202224442207. The next prime is 202224442223. The reversal of 202224442221 is 122244422202.
202224442221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 202224442221 - 27 = 202224442093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202224442223) 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 11 ways as a sum of consecutive naturals, for example, 190417965 + ... + 190419026.
It is an arithmetic number, because the mean of its divisors is an integer number (24754404480).
Almost surely, 2202224442221 is an apocalyptic number.
It is an amenable number.
202224442221 is a deficient number, since it is larger than the sum of its proper divisors (94828411539).
202224442221 is a wasteful number, since it uses less digits than its factorization.
202224442221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 380837056 (or 380837053 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 27.
Adding to 202224442221 its reverse (122244422202), we get a palindrome (324468864423).
The spelling of 202224442221 in words is "two hundred two billion, two hundred twenty-four million, four hundred forty-two thousand, two hundred twenty-one".
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