Base | Representation |
---|---|
bin | 11001001011011… |
… | …01100000110101 |
3 | 112201102200212022 |
4 | 30211231200311 |
5 | 413032243331 |
6 | 32543002525 |
7 | 5143163264 |
oct | 1445554065 |
9 | 481380768 |
10 | 211212341 |
11 | a9250a5a |
12 | 5a899445 |
13 | 349b1922 |
14 | 200a05db |
15 | 1382167b |
hex | c96d835 |
211212341 has 16 divisors (see below), whose sum is σ = 228480000. Its totient is φ = 194637168.
The previous prime is 211212319. The next prime is 211212343. The reversal of 211212341 is 143212112.
211212341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 211212341 - 218 = 210950197 is a prime.
It is a super-2 number, since 2×2112123412 = 89221305981400562, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211212343) 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, 104660 + ... + 106658.
It is an arithmetic number, because the mean of its divisors is an integer number (14280000).
Almost surely, 2211212341 is an apocalyptic number.
It is an amenable number.
211212341 is a deficient number, since it is larger than the sum of its proper divisors (17267659).
211212341 is a wasteful number, since it uses less digits than its factorization.
211212341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2168.
The product of its digits is 96, while the sum is 17.
The square root of 211212341 is about 14533.1462870226. The cubic root of 211212341 is about 595.5338202923.
Adding to 211212341 its reverse (143212112), we get a palindrome (354424453).
The spelling of 211212341 in words is "two hundred eleven million, two hundred twelve thousand, three hundred forty-one".
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