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13244131423 = 232919856269
BaseRepresentation
bin11000101010110100…
…10110100001011111
31021012000011120211001
430111122112201133
5204110444201143
610030111411131
7646126155025
oct142532264137
937160146731
1013244131423
115686a6aa66
122697523aa7
131330b3b173
148d8d58715
15527ac714d
hex31569685f

13244131423 has 8 divisors (see below), whose sum is σ = 14296514400. Its totient is φ = 12231461088.

The previous prime is 13244131421. The next prime is 13244131427. The reversal of 13244131423 is 32413144231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13244131423 - 21 = 13244131421 is a prime.

It is a super-3 number, since 3×132441314233 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13244131391 and 13244131400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244131421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9927468 + ... + 9928801.

It is an arithmetic number, because the mean of its divisors is an integer number (1787064300).

Almost surely, 213244131423 is an apocalyptic number.

13244131423 is a deficient number, since it is larger than the sum of its proper divisors (1052382977).

13244131423 is a wasteful number, since it uses less digits than its factorization.

13244131423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856321.

The product of its digits is 6912, while the sum is 28.

Adding to 13244131423 its reverse (32413144231), we get a palindrome (45657275654).

The spelling of 13244131423 in words is "thirteen billion, two hundred forty-four million, one hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 23 29 667 19856269 456694187 575831801 13244131423