Base | Representation |
---|---|
bin | 10110110000110111… |
… | …11100110100110010 |
3 | 1011112201020020202222 |
4 | 23120123330310302 |
5 | 200012102442044 |
6 | 5340405241042 |
7 | 611564656400 |
oct | 133033746462 |
9 | 34481206688 |
10 | 12221140274 |
11 | 5201573632 |
12 | 2450a03182 |
13 | 11c9c11265 |
14 | 83d144470 |
15 | 4b7da38ee |
hex | 2d86fcd32 |
12221140274 has 12 divisors (see below), whose sum is σ = 21324642894. Its totient is φ = 5237631504.
The previous prime is 12221140273. The next prime is 12221140301. The reversal of 12221140274 is 47204112221.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 11779846225 + 441294049 = 108535^2 + 21007^2 .
It is not an unprimeable number, because it can be changed into a prime (12221140273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62352659 + ... + 62352854.
Almost surely, 212221140274 is an apocalyptic number.
12221140274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12221140274 is a deficient number, since it is larger than the sum of its proper divisors (9103502620).
12221140274 is a wasteful number, since it uses less digits than its factorization.
12221140274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124705529 (or 124705522 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 26.
Adding to 12221140274 its reverse (47204112221), we get a palindrome (59425252495).
The spelling of 12221140274 in words is "twelve billion, two hundred twenty-one million, one hundred forty thousand, two hundred seventy-four".
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