Base | Representation |
---|---|
bin | 10110011001101000… |
… | …11001010111000101 |
3 | 1011001010110101012102 |
4 | 23030310121113011 |
5 | 144112203101041 |
6 | 5305203401445 |
7 | 604010125532 |
oct | 131464312705 |
9 | 34033411172 |
10 | 12026222021 |
11 | 5111541670 |
12 | 23b7683285 |
13 | 1198716008 |
14 | 8212c5d89 |
15 | 4a5c0009b |
hex | 2ccd195c5 |
12026222021 has 4 divisors (see below), whose sum is σ = 13119514944. Its totient is φ = 10932929100.
The previous prime is 12026222009. The next prime is 12026222063. The reversal of 12026222021 is 12022262021.
12026222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12026222021 - 218 = 12025959877 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12026221984 and 12026222002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12026222921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546646445 + ... + 546646466.
It is an arithmetic number, because the mean of its divisors is an integer number (3279878736).
Almost surely, 212026222021 is an apocalyptic number.
12026222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12026222021 is a deficient number, since it is larger than the sum of its proper divisors (1093292923).
12026222021 is a wasteful number, since it uses less digits than its factorization.
12026222021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1093292922.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 12026222021 its reverse (12022262021), we get a palindrome (24048484042).
The spelling of 12026222021 in words is "twelve billion, twenty-six million, two hundred twenty-two thousand, twenty-one".
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