Base | Representation |
---|---|
bin | 1011101101100100101… |
… | …0111100010111110011 |
3 | 201020100210220200122212 |
4 | 2323121022330113303 |
5 | 11244040234121321 |
6 | 232234023522335 |
7 | 20352135644426 |
oct | 2733112742763 |
9 | 636323820585 |
10 | 201212020211 |
11 | 78373a379a4 |
12 | 32bb55b93ab |
13 | 15c884618b7 |
14 | 9a4b05d9bd |
15 | 5379a8655b |
hex | 2ed92bc5f3 |
201212020211 has 24 divisors (see below), whose sum is σ = 207970885824. Its totient is φ = 194654718720.
The previous prime is 201212020187. The next prime is 201212020237. The reversal of 201212020211 is 112020212102.
It is not a de Polignac number, because 201212020211 - 26 = 201212020147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201212020241) 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 23 ways as a sum of consecutive naturals, for example, 115571801 + ... + 115573541.
It is an arithmetic number, because the mean of its divisors is an integer number (8665453576).
Almost surely, 2201212020211 is an apocalyptic number.
201212020211 is a deficient number, since it is larger than the sum of its proper divisors (6758865613).
201212020211 is a wasteful number, since it uses less digits than its factorization.
201212020211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2411 (or 2364 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 201212020211 its reverse (112020212102), we get a palindrome (313232232313).
The spelling of 201212020211 in words is "two hundred one billion, two hundred twelve million, twenty thousand, two hundred eleven".
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