Base | Representation |
---|---|
bin | 1100010101111000011… |
… | …0110001101001010101 |
3 | 202021021220001101212102 |
4 | 3011132012301221111 |
5 | 11433220222411041 |
6 | 241223430331445 |
7 | 21214233143441 |
oct | 3053606615125 |
9 | 667256041772 |
10 | 212032232021 |
11 | 81a16738205 |
12 | 351151b9b85 |
13 | 16cc105a8ac |
14 | a3960cd821 |
15 | 57ae96009b |
hex | 315e1b1a55 |
212032232021 has 16 divisors (see below), whose sum is σ = 223869360000. Its totient is φ = 200263565376.
The previous prime is 212032231991. The next prime is 212032232081. The reversal of 212032232021 is 120232230212.
It is a happy number.
212032232021 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 212032232021 - 226 = 211965123157 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212032231984 and 212032232002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212032232081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11910395 + ... + 11928183.
It is an arithmetic number, because the mean of its divisors is an integer number (13991835000).
Almost surely, 2212032232021 is an apocalyptic number.
It is an amenable number.
212032232021 is a deficient number, since it is larger than the sum of its proper divisors (11837127979).
212032232021 is a wasteful number, since it uses less digits than its factorization.
212032232021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19676.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 212032232021 its reverse (120232230212), we get a palindrome (332264462233).
The spelling of 212032232021 in words is "two hundred twelve billion, thirty-two million, two hundred thirty-two thousand, twenty-one".
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