Base | Representation |
---|---|
bin | 10111001011011100… |
… | …01101101001000001 |
3 | 1012010020122022010112 |
4 | 23211232031221001 |
5 | 200441133002203 |
6 | 5414450441105 |
7 | 620242344242 |
oct | 134556155101 |
9 | 35106568115 |
10 | 12444031553 |
11 | 53063710a8 |
12 | 24b3593195 |
13 | 12341519a5 |
14 | 8609a4cc9 |
15 | 4cc7306d8 |
hex | 2e5b8da41 |
12444031553 has 16 divisors (see below), whose sum is σ = 12704864256. Its totient is φ = 12186279120.
The previous prime is 12444031547. The next prime is 12444031559. The reversal of 12444031553 is 35513044421.
12444031553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12444031547) and next prime (12444031559).
It is not a de Polignac number, because 12444031553 - 214 = 12444015169 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12444031559) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5973050 + ... + 5975132.
It is an arithmetic number, because the mean of its divisors is an integer number (794054016).
Almost surely, 212444031553 is an apocalyptic number.
It is an amenable number.
12444031553 is a deficient number, since it is larger than the sum of its proper divisors (260832703).
12444031553 is a wasteful number, since it uses less digits than its factorization.
12444031553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2764.
The product of its (nonzero) digits is 28800, while the sum is 32.
Adding to 12444031553 its reverse (35513044421), we get a palindrome (47957075974).
The spelling of 12444031553 in words is "twelve billion, four hundred forty-four million, thirty-one thousand, five hundred fifty-three".
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