Base | Representation |
---|---|
bin | 111110111011000… |
… | …0011100001100101 |
3 | 12110010211021121000 |
4 | 1331312003201211 |
5 | 13310444302323 |
6 | 545300543513 |
7 | 103214641230 |
oct | 17566034145 |
9 | 5403737530 |
10 | 2111322213 |
11 | 9938716a0 |
12 | 4ab0b1b99 |
13 | 2785534b0 |
14 | 160596417 |
15 | c5551e43 |
hex | 7dd83865 |
2111322213 has 128 divisors (see below), whose sum is σ = 4231987200. Its totient is φ = 1004659200.
The previous prime is 2111322173. The next prime is 2111322217. The reversal of 2111322213 is 3122231112.
It is not a de Polignac number, because 2111322213 - 28 = 2111321957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111322217) 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 127 ways as a sum of consecutive naturals, for example, 5161953 + ... + 5162361.
It is an arithmetic number, because the mean of its divisors is an integer number (33062400).
Almost surely, 22111322213 is an apocalyptic number.
It is an amenable number.
2111322213 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
2111322213 is a wasteful number, since it uses less digits than its factorization.
2111322213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 640 (or 634 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 2111322213 is about 45949.1263573096. The cubic root of 2111322213 is about 1282.8764682561.
Adding to 2111322213 its reverse (3122231112), we get a palindrome (5233553325).
The spelling of 2111322213 in words is "two billion, one hundred eleven million, three hundred twenty-two thousand, two hundred thirteen".
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