Base | Representation |
---|---|
bin | 1000001111101011… |
… | …0001001010010101 |
3 | 12201020120021110122 |
4 | 2003322301022111 |
5 | 14013041033023 |
6 | 1003341001325 |
7 | 105563032253 |
oct | 20372611225 |
9 | 5636507418 |
10 | 2213221013 |
11 | a3633a783 |
12 | 519253245 |
13 | 2936b0343 |
14 | 16dd1d5d3 |
15 | ce47e2c8 |
hex | 83eb1295 |
2213221013 has 4 divisors (see below), whose sum is σ = 2213890368. Its totient is φ = 2212551660.
The previous prime is 2213220949. The next prime is 2213221033. The reversal of 2213221013 is 3101223122.
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 2213221013 - 26 = 2213220949 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2213220982 and 2213221000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2213221033) 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, 329693 + ... + 336338.
It is an arithmetic number, because the mean of its divisors is an integer number (553472592).
Almost surely, 22213221013 is an apocalyptic number.
It is an amenable number.
2213221013 is a deficient number, since it is larger than the sum of its proper divisors (669355).
2213221013 is an equidigital number, since it uses as much as digits as its factorization.
2213221013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 669354.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2213221013 is about 47044.8829629748. The cubic root of 2213221013 is about 1303.1915689648.
Adding to 2213221013 its reverse (3101223122), we get a palindrome (5314444135).
The spelling of 2213221013 in words is "two billion, two hundred thirteen million, two hundred twenty-one thousand, thirteen".
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