Base | Representation |
---|---|
bin | 10110110011011000… |
… | …11000010000111111 |
3 | 1011121011220102110210 |
4 | 23121230120100333 |
5 | 200033002133231 |
6 | 5342441203503 |
7 | 612242121501 |
oct | 133154302077 |
9 | 34534812423 |
10 | 12242224191 |
11 | 521246425a |
12 | 2457a90593 |
13 | 12013b3b52 |
14 | 841c71d71 |
15 | 4b9b6aa46 |
hex | 2d9b1843f |
12242224191 has 32 divisors (see below), whose sum is σ = 18145290240. Its totient is φ = 7306589664.
The previous prime is 12242224187. The next prime is 12242224193. The reversal of 12242224191 is 19142224221.
It is not a de Polignac number, because 12242224191 - 22 = 12242224187 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12242224193) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52560 + ... + 165066.
It is an arithmetic number, because the mean of its divisors is an integer number (567040320).
Almost surely, 212242224191 is an apocalyptic number.
12242224191 is a deficient number, since it is larger than the sum of its proper divisors (5903066049).
12242224191 is a wasteful number, since it uses less digits than its factorization.
12242224191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112635.
The product of its digits is 4608, while the sum is 30.
Adding to 12242224191 its sum of digits (30), we get a palindrome (12242224221).
The spelling of 12242224191 in words is "twelve billion, two hundred forty-two million, two hundred twenty-four thousand, one hundred ninety-one".
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