Base | Representation |
---|---|
bin | 1100010010000111001… |
… | …0001110000000011001 |
3 | 202011200100202100220210 |
4 | 3010201302032000121 |
5 | 11424132133211301 |
6 | 240535155241333 |
7 | 21150164122503 |
oct | 3044162160031 |
9 | 664610670823 |
10 | 211020210201 |
11 | 81547453239 |
12 | 34a922a9249 |
13 | 16b8c4a1808 |
14 | a2db932d73 |
15 | 5750ba6ad6 |
hex | 3121c8e019 |
211020210201 has 16 divisors (see below), whose sum is σ = 282542012928. Its totient is φ = 140089872000.
The previous prime is 211020210161. The next prime is 211020210211. The reversal of 211020210201 is 102012020112.
It is not a de Polignac number, because 211020210201 - 217 = 211020079129 is a prime.
It is a super-2 number, since 2×2110202102012 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (211020210211) 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, 1356376 + ... + 1503926.
It is an arithmetic number, because the mean of its divisors is an integer number (17658875808).
Almost surely, 2211020210201 is an apocalyptic number.
It is an amenable number.
211020210201 is a deficient number, since it is larger than the sum of its proper divisors (71521802727).
211020210201 is a wasteful number, since it uses less digits than its factorization.
211020210201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149552.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 211020210201 its reverse (102012020112), we get a palindrome (313032230313).
The spelling of 211020210201 in words is "two hundred eleven billion, twenty million, two hundred ten thousand, two hundred one".
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