Base | Representation |
---|---|
bin | 1011101101100010000… |
… | …1101101011101001011 |
3 | 201020100001120112111112 |
4 | 2323120201231131023 |
5 | 11244030002224321 |
6 | 232233000120535 |
7 | 20351645035340 |
oct | 2733041553513 |
9 | 636301515445 |
10 | 201201211211 |
11 | 78368924a40 |
12 | 32bb1a6614b |
13 | 15c86148a40 |
14 | 9a498487c7 |
15 | 5378b4da5b |
hex | 2ed886d74b |
201201211211 has 16 divisors (see below), whose sum is σ = 270144284928. Its totient is φ = 144720151200.
The previous prime is 201201211199. The next prime is 201201211213. The reversal of 201201211211 is 112112102102.
It is a cyclic number.
It is not a de Polignac number, because 201201211211 - 26 = 201201211147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201201211213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100499105 + ... + 100501106.
It is an arithmetic number, because the mean of its divisors is an integer number (16884017808).
Almost surely, 2201201211211 is an apocalyptic number.
201201211211 is a deficient number, since it is larger than the sum of its proper divisors (68943073717).
201201211211 is a wasteful number, since it uses less digits than its factorization.
201201211211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201000242.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 201201211211 its reverse (112112102102), we get a palindrome (313313313313).
The spelling of 201201211211 in words is "two hundred one billion, two hundred one million, two hundred eleven thousand, two hundred eleven".
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