Base | Representation |
---|---|
bin | 1000001111100111… |
… | …1100001100001010 |
3 | 12201020011020211200 |
4 | 2003321330030022 |
5 | 14013012112132 |
6 | 1003332205030 |
7 | 105561136554 |
oct | 20371741412 |
9 | 5636136750 |
10 | 2213004042 |
11 | a36201767 |
12 | 519169776 |
13 | 293635662 |
14 | 16dca44d4 |
15 | ce439d7c |
hex | 83e7c30a |
2213004042 has 12 divisors (see below), whose sum is σ = 4794842130. Its totient is φ = 737668008.
The previous prime is 2213004023. The next prime is 2213004047. The reversal of 2213004042 is 2404003122.
It can be written as a sum of positive squares in only one way, i.e., 2178182241 + 34821801 = 46671^2 + 5901^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 122944669 = 2213004042 / (2 + 2 + 1 + 3 + 0 + 0 + 4 + 0 + 4 + 2).
It is not an unprimeable number, because it can be changed into a prime (2213004047) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61472317 + ... + 61472352.
Almost surely, 22213004042 is an apocalyptic number.
2213004042 is an abundant number, since it is smaller than the sum of its proper divisors (2581838088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213004042 is a wasteful number, since it uses less digits than its factorization.
2213004042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122944677 (or 122944674 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2213004042 is about 47042.5769064578. The cubic root of 2213004042 is about 1303.1489818612.
Adding to 2213004042 its reverse (2404003122), we get a palindrome (4617007164).
The spelling of 2213004042 in words is "two billion, two hundred thirteen million, four thousand, forty-two".
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