Search a number
-
+
12444031553 = 831674312083
BaseRepresentation
bin10111001011011100…
…01101101001000001
31012010020122022010112
423211232031221001
5200441133002203
65414450441105
7620242344242
oct134556155101
935106568115
1012444031553
1153063710a8
1224b3593195
1312341519a5
148609a4cc9
154cc7306d8
hex2e5b8da41

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".

Divisors: 1 83 167 431 2083 13861 35773 71977 172889 347861 897773 5974091 28872463 74515159 149928091 12444031553