Search a number
-
+
12444122440223 = 104953173223099
BaseRepresentation
bin1011010100010101111101…
…1111110110001000011111
31122001122110021210200010222
42311011133133312020133
53112341030321041343
642244430111151555
72423025645324335
oct265053737661037
948048407720128
1012444122440223
113a68582777631
12148b9075155bb
136c36251a1706
14310427a55b55
15168a781aea68
hexb515f7f621f

12444122440223 has 8 divisors (see below), whose sum is σ = 12456275370000. Its totient is φ = 12431970065088.

The previous prime is 12444122440207. The next prime is 12444122440231. The reversal of 12444122440223 is 32204422144421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444122440223 - 24 = 12444122440207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444122440423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55666928 + ... + 55890026.

It is an arithmetic number, because the mean of its divisors is an integer number (1557034421250).

Almost surely, 212444122440223 is an apocalyptic number.

12444122440223 is a deficient number, since it is larger than the sum of its proper divisors (12152929777).

12444122440223 is a wasteful number, since it uses less digits than its factorization.

12444122440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277321.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 12444122440223 its reverse (32204422144421), we get a palindrome (44648544584644).

The spelling of 12444122440223 in words is "twelve trillion, four hundred forty-four billion, one hundred twenty-two million, four hundred forty thousand, two hundred twenty-three".

Divisors: 1 1049 53173 223099 55778477 234030851 11862843127 12444122440223