Base | Representation |
---|---|
bin | 10110110001010001… |
… | …00011011001111111 |
3 | 1011112221110002200100 |
4 | 23120220203121333 |
5 | 200013424202111 |
6 | 5341004132143 |
7 | 611635026342 |
oct | 133050433177 |
9 | 34487402610 |
10 | 12224444031 |
11 | 520341a808 |
12 | 2451b37053 |
13 | 11ca7c9c47 |
14 | 83d764459 |
15 | 4b8307756 |
hex | 2d8a2367f |
12224444031 has 24 divisors (see below), whose sum is σ = 18704846160. Its totient is φ = 7666695936.
The previous prime is 12224444027. The next prime is 12224444047. The reversal of 12224444031 is 13044442221.
12224444031 is a `hidden beast` number, since 12 + 2 + 244 + 4 + 403 + 1 = 666.
It is not a de Polignac number, because 12224444031 - 22 = 12224444027 is a prime.
It is a super-2 number, since 2×122244440312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12224443986 and 12224444004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12224444021) 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 23 ways as a sum of consecutive naturals, for example, 335976 + ... + 370578.
It is an arithmetic number, because the mean of its divisors is an integer number (779368590).
Almost surely, 212224444031 is an apocalyptic number.
12224444031 is a deficient number, since it is larger than the sum of its proper divisors (6480402129).
12224444031 is a wasteful number, since it uses less digits than its factorization.
12224444031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36935 (or 36932 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 12224444031 its reverse (13044442221), we get a palindrome (25268886252).
The spelling of 12224444031 in words is "twelve billion, two hundred twenty-four million, four hundred forty-four thousand, thirty-one".
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