Base | Representation |
---|---|
bin | 11001001010101… |
… | …01000011000100 |
3 | 112201020121101212 |
4 | 30211111003010 |
5 | 413021042012 |
6 | 32540510552 |
7 | 5142265160 |
oct | 1445250304 |
9 | 481217355 |
10 | 211112132 |
11 | a9192740 |
12 | 5a84b458 |
13 | 3497812a |
14 | 20075ca0 |
15 | 13801b22 |
hex | c9550c4 |
211112132 has 24 divisors (see below), whose sum is σ = 460608960. Its totient is φ = 82251360.
The previous prime is 211112129. The next prime is 211112189. The reversal of 211112132 is 231211112.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342407 + ... + 343022.
It is an arithmetic number, because the mean of its divisors is an integer number (19192040).
Almost surely, 2211112132 is an apocalyptic number.
211112132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
211112132 is an abundant number, since it is smaller than the sum of its proper divisors (249496828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211112132 is a wasteful number, since it uses less digits than its factorization.
211112132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 685451 (or 685449 counting only the distinct ones).
The product of its digits is 24, while the sum is 14.
The square root of 211112132 is about 14529.6982762892. The cubic root of 211112132 is about 595.4396223731.
Adding to 211112132 its reverse (231211112), we get a palindrome (442323244).
The spelling of 211112132 in words is "two hundred eleven million, one hundred twelve thousand, one hundred thirty-two".
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