Base | Representation |
---|---|
bin | 101101110110… |
… | …001000011001 |
3 | 211121120212120 |
4 | 231312020121 |
5 | 11034040301 |
6 | 1105331453 |
7 | 204103326 |
oct | 55661031 |
9 | 24546776 |
10 | 12018201 |
11 | 68694a8 |
12 | 4036b89 |
13 | 264a380 |
14 | 184bb4d |
15 | 10c5e36 |
hex | b76219 |
12018201 has 16 divisors (see below), whose sum is σ = 18273024. Its totient is φ = 6960384.
The previous prime is 12018187. The next prime is 12018211. The reversal of 12018201 is 10281021.
12018201 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 12018201 - 25 = 12018169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12018211) 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, 8401 + ... + 9726.
It is an arithmetic number, because the mean of its divisors is an integer number (1142064).
Almost surely, 212018201 is an apocalyptic number.
It is an amenable number.
12018201 is a deficient number, since it is larger than the sum of its proper divisors (6254823).
12018201 is a wasteful number, since it uses less digits than its factorization.
12018201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18160.
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 12018201 is about 3466.7277077959. The cubic root of 12018201 is about 229.0585397273.
Adding to 12018201 its reverse (10281021), we get a palindrome (22299222).
The spelling of 12018201 in words is "twelve million, eighteen thousand, two hundred one".
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