Base | Representation |
---|---|
bin | 11001001011100… |
… | …01111011001011 |
3 | 112201110121122120 |
4 | 30211301323023 |
5 | 413033333121 |
6 | 32543222323 |
7 | 5143300050 |
oct | 1445617313 |
9 | 481417576 |
10 | 211230411 |
11 | a9263597 |
12 | 5a8a79a3 |
13 | 349b9c12 |
14 | 200a7027 |
15 | 13826bc6 |
hex | c971ecb |
211230411 has 16 divisors (see below), whose sum is σ = 322080000. Its totient is φ = 120626208.
The previous prime is 211230407. The next prime is 211230433. The reversal of 211230411 is 114032112.
It is not a de Polignac number, because 211230411 - 22 = 211230407 is a prime.
It is not an unprimeable number, because it can be changed into a prime (211230511) 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, 55900 + ... + 59558.
It is an arithmetic number, because the mean of its divisors is an integer number (20130000).
Almost surely, 2211230411 is an apocalyptic number.
211230411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
211230411 is a deficient number, since it is larger than the sum of its proper divisors (110849589).
211230411 is a wasteful number, since it uses less digits than its factorization.
211230411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6418.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 211230411 is about 14533.7679560395. The cubic root of 211230411 is about 595.5508031845.
Adding to 211230411 its reverse (114032112), we get a palindrome (325262523).
It can be divided in two parts, 2112 and 30411, that added together give a palindrome (32523).
The spelling of 211230411 in words is "two hundred eleven million, two hundred thirty thousand, four hundred eleven".
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