Base | Representation |
---|---|
bin | 11001010010100… |
… | …00000010101001 |
3 | 112210011211122111 |
4 | 30221100002221 |
5 | 413301441301 |
6 | 33014522321 |
7 | 5154106360 |
oct | 1451200251 |
9 | 483154574 |
10 | 212140201 |
11 | a9825089 |
12 | 5b0663a1 |
13 | 34c48060 |
14 | 202627d7 |
15 | 13956551 |
hex | ca500a9 |
212140201 has 32 divisors (see below), whose sum is σ = 276111360. Its totient is φ = 158393664.
The previous prime is 212140189. The next prime is 212140207. The reversal of 212140201 is 102041212.
It is a happy number.
It is not a de Polignac number, because 212140201 - 217 = 212009129 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (212140207) 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, 164706 + ... + 165988.
It is an arithmetic number, because the mean of its divisors is an integer number (8628480).
Almost surely, 2212140201 is an apocalyptic number.
It is an amenable number.
212140201 is a deficient number, since it is larger than the sum of its proper divisors (63971159).
212140201 is a wasteful number, since it uses less digits than its factorization.
212140201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1405.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 212140201 is about 14565.0335049391. The cubic root of 212140201 is about 596.4046103602.
Adding to 212140201 its reverse (102041212), we get a palindrome (314181413).
The spelling of 212140201 in words is "two hundred twelve million, one hundred forty thousand, two hundred one".
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