Search a number
-
+
12230012441 = 731091537013
BaseRepresentation
bin10110110001111011…
…10010111000011001
31011120022221000002202
423120331302320121
5200021340344231
65341323335545
7612033250643
oct133075627031
934508830082
1012230012441
1152065833a9
1224539815b5
1311cb9c966a
148403b3893
154b8a575cb
hex2d8f72e19

12230012441 has 8 divisors (see below), whose sum is σ = 12511293960. Its totient is φ = 11951805312.

The previous prime is 12230012419. The next prime is 12230012453. The reversal of 12230012441 is 14421003221.

It can be written as a sum of positive squares in 4 ways, for example, as 1682722441 + 10547290000 = 41021^2 + 102700^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12230012441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230012411) 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 7 ways as a sum of consecutive naturals, for example, 760550 + ... + 776463.

It is an arithmetic number, because the mean of its divisors is an integer number (1563911745).

Almost surely, 212230012441 is an apocalyptic number.

It is an amenable number.

12230012441 is a deficient number, since it is larger than the sum of its proper divisors (281281519).

12230012441 is a wasteful number, since it uses less digits than its factorization.

12230012441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537195.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12230012441 its reverse (14421003221), we get a palindrome (26651015662).

The spelling of 12230012441 in words is "twelve billion, two hundred thirty million, twelve thousand, four hundred forty-one".

Divisors: 1 73 109 7957 1537013 112201949 167534417 12230012441