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13224042244 = 227472287223
BaseRepresentation
bin11000101000011011…
…01101111100000100
31021010121100221122101
430110031231330010
5204040323322434
610024113041444
7645463335010
oct142415557404
937117327571
1013224042244
115676699736
122690856284
13132992628a
148d6409540
15525e59b14
hex31436df04

13224042244 has 12 divisors (see below), whose sum is σ = 26448084544. Its totient is φ = 5667446664.

The previous prime is 13224042233. The next prime is 13224042277. The reversal of 13224042244 is 44224042231.

13224042244 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 472287223 = 13224042244 / (1 + 3 + 2 + 2 + 4 + 0 + 4 + 2 + 2 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236143584 + ... + 236143639.

Almost surely, 213224042244 is an apocalyptic number.

13224042244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13224042244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13224042244 is a wasteful number, since it uses less digits than its factorization.

13224042244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472287234 (or 472287232 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 13224042244 its reverse (44224042231), we get a palindrome (57448084475).

The spelling of 13224042244 in words is "thirteen billion, two hundred twenty-four million, forty-two thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 472287223 944574446 1889148892 3306010561 6612021122 13224042244