Base | Representation |
---|---|
bin | 111100000001110… |
… | …1001011100101001 |
3 | 12012101010002022022 |
4 | 1320003221130221 |
5 | 13111120101441 |
6 | 531511434225 |
7 | 100625414462 |
oct | 17003513451 |
9 | 5171102268 |
10 | 2014222121 |
11 | 943a8098a |
12 | 482685975 |
13 | 2613b6912 |
14 | 15171bd69 |
15 | bbc7184b |
hex | 780e9729 |
2014222121 has 4 divisors (see below), whose sum is σ = 2020576452. Its totient is φ = 2007867792.
The previous prime is 2014222109. The next prime is 2014222163. The reversal of 2014222121 is 1212224102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212224102 = 2 ⋅606112051.
It can be written as a sum of positive squares in 2 ways, for example, as 1153621225 + 860600896 = 33965^2 + 29336^2 .
It is a cyclic number.
It is not a de Polignac number, because 2014222121 - 218 = 2013959977 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2014222121.
It is not an unprimeable number, because it can be changed into a prime (2014228121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176690 + ... + 3177323.
It is an arithmetic number, because the mean of its divisors is an integer number (505144113).
Almost surely, 22014222121 is an apocalyptic number.
It is an amenable number.
2014222121 is a deficient number, since it is larger than the sum of its proper divisors (6354331).
2014222121 is an equidigital number, since it uses as much as digits as its factorization.
2014222121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6354330.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 2014222121 is about 44880.0860181885. The cubic root of 2014222121 is about 1262.9004570376.
Adding to 2014222121 its reverse (1212224102), we get a palindrome (3226446223).
The spelling of 2014222121 in words is "two billion, fourteen million, two hundred twenty-two thousand, one hundred twenty-one".
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