Base | Representation |
---|---|
bin | 10110110000111010… |
… | …00011111000101101 |
3 | 1011112201210001001020 |
4 | 23120131003320231 |
5 | 200012141300331 |
6 | 5340415404353 |
7 | 611600311110 |
oct | 133035037055 |
9 | 34481701036 |
10 | 12221431341 |
11 | 5201752289 |
12 | 2450b236b9 |
13 | 11c9cb38a2 |
14 | 83d1bc577 |
15 | 4b7e0ec96 |
hex | 2d8743e2d |
12221431341 has 16 divisors (see below), whose sum is σ = 18901092864. Its totient is φ = 6879440304.
The previous prime is 12221431301. The next prime is 12221431349. The reversal of 12221431341 is 14313412221.
It is not a de Polignac number, because 12221431341 - 27 = 12221431213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221431349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341675 + ... + 4344488.
It is an arithmetic number, because the mean of its divisors is an integer number (1181318304).
Almost surely, 212221431341 is an apocalyptic number.
It is an amenable number.
12221431341 is a deficient number, since it is larger than the sum of its proper divisors (6679661523).
12221431341 is an equidigital number, since it uses as much as digits as its factorization.
12221431341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8686240.
The product of its digits is 1152, while the sum is 24.
Adding to 12221431341 its reverse (14313412221), we get a palindrome (26534843562).
The spelling of 12221431341 in words is "twelve billion, two hundred twenty-one million, four hundred thirty-one thousand, three hundred forty-one".
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