Base | Representation |
---|---|
bin | 1011101100110110111… |
… | …0100001110111000011 |
3 | 201012212102122011220211 |
4 | 2323031232201313003 |
5 | 11243142111202321 |
6 | 232203004414551 |
7 | 20344314665461 |
oct | 2731556416703 |
9 | 635772564824 |
10 | 201020022211 |
11 | 7828561aa68 |
12 | 32b61247457 |
13 | 15c57749908 |
14 | 9a2d761831 |
15 | 5367cad0e1 |
hex | 2ecdba1dc3 |
201020022211 has 32 divisors (see below), whose sum is σ = 219580038720. Its totient is φ = 183389184000.
The previous prime is 201020022209. The next prime is 201020022289. The reversal of 201020022211 is 112220020102.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 201020022211 - 21 = 201020022209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201020022191 and 201020022200.
It is not an unprimeable number, because it can be changed into a prime (201020022611) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29995161 + ... + 30001861.
It is an arithmetic number, because the mean of its divisors is an integer number (6861876210).
Almost surely, 2201020022211 is an apocalyptic number.
201020022211 is a deficient number, since it is larger than the sum of its proper divisors (18560016509).
201020022211 is a wasteful number, since it uses less digits than its factorization.
201020022211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7255.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 201020022211 its reverse (112220020102), we get a palindrome (313240042313).
The spelling of 201020022211 in words is "two hundred one billion, twenty million, twenty-two thousand, two hundred eleven".
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