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2444111213 = 29263332009
BaseRepresentation
bin1001000110101110…
…0010110101101101
320022100000201021112
42101223202311231
520001143024323
61042305441405
7114365413445
oct22153426555
96270021245
102444111213
111044700a25
12582640265
132cc49186b
14192863125
15e488b178
hex91ae2d6d

2444111213 has 8 divisors (see below), whose sum is σ = 2529430200. Its totient is φ = 2358861568.

The previous prime is 2444111191. The next prime is 2444111279. The reversal of 2444111213 is 3121114442.

It can be written as a sum of positive squares in 4 ways, for example, as 62378404 + 2381732809 = 7898^2 + 48803^2 .

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 2444111213 - 212 = 2444107117 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 (2444111413) 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 7 ways as a sum of consecutive naturals, for example, 60353 + ... + 92361.

It is an arithmetic number, because the mean of its divisors is an integer number (316178775).

Almost surely, 22444111213 is an apocalyptic number.

It is an amenable number.

2444111213 is a deficient number, since it is larger than the sum of its proper divisors (85318987).

2444111213 is a wasteful number, since it uses less digits than its factorization.

2444111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34671.

The product of its digits is 768, while the sum is 23.

The square root of 2444111213 is about 49437.9531635362. The cubic root of 2444111213 is about 1347.0187918992.

Adding to 2444111213 its reverse (3121114442), we get a palindrome (5565225655).

The spelling of 2444111213 in words is "two billion, four hundred forty-four million, one hundred eleven thousand, two hundred thirteen".

Divisors: 1 29 2633 32009 76357 928261 84279697 2444111213