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13242044443 = 110911940527
BaseRepresentation
bin11000101010100100…
…11001000000011011
31021011212020120000111
430111102121000123
5204104430410233
610025554545151
7646102343365
oct142522310033
937155216014
1013242044443
115685874a91
1226968981b7
13133058a274
148d8973d35
15527813acd
hex31549901b

13242044443 has 4 divisors (see below), whose sum is σ = 13253986080. Its totient is φ = 13230102808.

The previous prime is 13242044423. The next prime is 13242044461. The reversal of 13242044443 is 34444024231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13242044443 - 25 = 13242044411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13242044423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5969155 + ... + 5971372.

It is an arithmetic number, because the mean of its divisors is an integer number (3313496520).

Almost surely, 213242044443 is an apocalyptic number.

13242044443 is a deficient number, since it is larger than the sum of its proper divisors (11941637).

13242044443 is a wasteful number, since it uses less digits than its factorization.

13242044443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941636.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 13242044443 its reverse (34444024231), we get a palindrome (47686068674).

The spelling of 13242044443 in words is "thirteen billion, two hundred forty-two million, forty-four thousand, four hundred forty-three".

Divisors: 1 1109 11940527 13242044443