Base | Representation |
---|---|
bin | 1011111101100101… |
… | …10101010110100101 |
3 | 121120120112200201011 |
4 | 11332302311112211 |
5 | 101123042102440 |
6 | 2541134302221 |
7 | 315101663005 |
oct | 57662652645 |
9 | 17516480634 |
10 | 6422222245 |
11 | 27a61a469a |
12 | 12b2957971 |
13 | 7b46bb10a |
14 | 44cd1a005 |
15 | 278c3a9ea |
hex | 17ecb55a5 |
6422222245 has 4 divisors (see below), whose sum is σ = 7706666700. Its totient is φ = 5137777792.
The previous prime is 6422222239. The next prime is 6422222249. The reversal of 6422222245 is 5422222246.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2285031204 + 4137191041 = 47802^2 + 64321^2 .
It is a cyclic number.
It is not a de Polignac number, because 6422222245 - 23 = 6422222237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6422222249) 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, 642222220 + ... + 642222229.
It is an arithmetic number, because the mean of its divisors is an integer number (1926666675).
Almost surely, 26422222245 is an apocalyptic number.
It is an amenable number.
6422222245 is a deficient number, since it is larger than the sum of its proper divisors (1284444455).
6422222245 is a wasteful number, since it uses less digits than its factorization.
6422222245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1284444454.
The product of its digits is 30720, while the sum is 31.
The square root of 6422222245 is about 80138.7686765900. The cubic root of 6422222245 is about 1858.7819370146.
Subtracting from 6422222245 its reverse (5422222246), we obtain a palindrome (999999999).
The spelling of 6422222245 in words is "six billion, four hundred twenty-two million, two hundred twenty-two thousand, two hundred forty-five".
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