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11244144321 = 323018741387
BaseRepresentation
bin10100111100011010…
…00000011011000001
31002000121211201021200
422132031000123001
5141012000104241
65055425011413
7545432435604
oct123615003301
932017751250
1011244144321
114850032063
122219783b69
1310a2699947
147894a433b
1545c2184b6
hex29e3406c1

11244144321 has 12 divisors (see below), whose sum is σ = 16242472272. Its totient is φ = 7495666776.

The previous prime is 11244144293. The next prime is 11244144337. The reversal of 11244144321 is 12344144211.

It is not a de Polignac number, because 11244144321 - 29 = 11244143809 is a prime.

It is a super-2 number, since 2×112441443212 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11244144361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250990 + ... + 292376.

It is an arithmetic number, because the mean of its divisors is an integer number (1353539356).

Almost surely, 211244144321 is an apocalyptic number.

It is an amenable number.

11244144321 is a deficient number, since it is larger than the sum of its proper divisors (4998327951).

11244144321 is a wasteful number, since it uses less digits than its factorization.

11244144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71580 (or 71577 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 11244144321 its reverse (12344144211), we get a palindrome (23588288532).

The spelling of 11244144321 in words is "eleven billion, two hundred forty-four million, one hundred forty-four thousand, three hundred twenty-one".

Divisors: 1 3 9 30187 41387 90561 124161 271683 372483 1249349369 3748048107 11244144321