Base | Representation |
---|---|
bin | 111111010000000… |
… | …0001010100001011 |
3 | 12110220112012010101 |
4 | 1332200001110023 |
5 | 13321303320321 |
6 | 550332430231 |
7 | 103410310141 |
oct | 17640012413 |
9 | 5426465111 |
10 | 2122323211 |
11 | 999aa5928 |
12 | 4b2918377 |
13 | 27a905868 |
14 | 161c1b591 |
15 | c64c6791 |
hex | 7e80150b |
2122323211 has 12 divisors (see below), whose sum is σ = 2244838752. Its totient is φ = 2005503584.
The previous prime is 2122323193. The next prime is 2122323227. The reversal of 2122323211 is 1123232212.
It is a de Polignac number, because none of the positive numbers 2k-2122323211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122323011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12681 + ... + 66373.
It is an arithmetic number, because the mean of its divisors is an integer number (187069896).
Almost surely, 22122323211 is an apocalyptic number.
2122323211 is a deficient number, since it is larger than the sum of its proper divisors (122515541).
2122323211 is an equidigital number, since it uses as much as digits as its factorization.
2122323211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53798 (or 53769 counting only the distinct ones).
The product of its digits is 288, while the sum is 19.
The square root of 2122323211 is about 46068.6792843033. The cubic root of 2122323211 is about 1285.1007427565.
Adding to 2122323211 its reverse (1123232212), we get a palindrome (3245555423).
Subtracting from 2122323211 its reverse (1123232212), we obtain a palindrome (999090999).
The spelling of 2122323211 in words is "two billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred eleven".
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