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13112232443 = 194717778263
BaseRepresentation
bin11000011011000110…
…01100100111111011
31020211210222102102122
430031203030213323
5203323212414233
610005040351455
7642635064632
oct141543144773
936753872378
1013112232443
115619571342
12265b31558b
13130c70922b
148c5622519
1551b220d98
hex30d8cc9fb

13112232443 has 16 divisors (see below), whose sum is σ = 14105656320. Its totient is φ = 12149502336.

The previous prime is 13112232407. The next prime is 13112232451. The reversal of 13112232443 is 34423221131.

It is a cyclic number.

It is not a de Polignac number, because 13112232443 - 218 = 13111970299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112232473) 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 15 ways as a sum of consecutive naturals, for example, 1582730 + ... + 1590992.

It is an arithmetic number, because the mean of its divisors is an integer number (881603520).

Almost surely, 213112232443 is an apocalyptic number.

13112232443 is a deficient number, since it is larger than the sum of its proper divisors (993423877).

13112232443 is a wasteful number, since it uses less digits than its factorization.

13112232443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106.

The product of its digits is 3456, while the sum is 26.

Adding to 13112232443 its reverse (34423221131), we get a palindrome (47535453574).

The spelling of 13112232443 in words is "thirteen billion, one hundred twelve million, two hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 19 47 893 1777 8263 33763 83519 156997 388361 1586861 7378859 14683351 278983669 690117497 13112232443