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44113323131 = 192149381847
BaseRepresentation
bin101001000101010110…
…111110010001111011
311012212100000000001122
4221011112332101323
51210321002320011
632133153335455
73121112026343
oct510526762173
9135770000048
1044113323131
1117787903649
12867156758b
134210300a87
1421c69bdd23
151232b943db
hexa455be47b

44113323131 has 12 divisors (see below), whose sum is σ = 46589027472. Its totient is φ = 41763067344.

The previous prime is 44113323071. The next prime is 44113323193. The reversal of 44113323131 is 13132331144.

It is not a de Polignac number, because 44113323131 - 210 = 44113322107 is a prime.

It is a super-2 number, since 2×441133231312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44113323131.

It is not an unprimeable number, because it can be changed into a prime (44113323031) 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, 498050 + ... + 579896.

It is an arithmetic number, because the mean of its divisors is an integer number (3882418956).

Almost surely, 244113323131 is an apocalyptic number.

44113323131 is a deficient number, since it is larger than the sum of its proper divisors (2475704341).

44113323131 is a wasteful number, since it uses less digits than its factorization.

44113323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83378 (or 83359 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 44113323131 its reverse (13132331144), we get a palindrome (57245654275).

The spelling of 44113323131 in words is "forty-four billion, one hundred thirteen million, three hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 19 361 1493 28367 81847 538973 1555093 29546767 122197571 2321753849 44113323131