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44003142431 = 17294712911471
BaseRepresentation
bin101000111110110010…
…101010101100011111
311012120122200020112222
4220332302222230133
51210104301024211
632114220015555
73115303352663
oct507662525437
9135518606488
1044003142431
1117730699216
1286406915bb
1341c35343b1
1421b60dc8a3
15122817d1db
hexa3ecaab1f

44003142431 has 32 divisors (see below), whose sum is σ = 49295278080. Its totient is φ = 39078950400.

The previous prime is 44003142413. The next prime is 44003142433. The reversal of 44003142431 is 13424130044.

It is a cyclic number.

It is not a de Polignac number, because 44003142431 - 26 = 44003142367 is a prime.

It is a super-2 number, since 2×440031424312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44003142431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44003142433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29913026 + ... + 29914496.

It is an arithmetic number, because the mean of its divisors is an integer number (1540477440).

Almost surely, 244003142431 is an apocalyptic number.

44003142431 is a deficient number, since it is larger than the sum of its proper divisors (5292135649).

44003142431 is a wasteful number, since it uses less digits than its factorization.

44003142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 44003142431 its reverse (13424130044), we get a palindrome (57427272475).

The spelling of 44003142431 in words is "forty-four billion, three million, one hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 17 29 47 493 799 1291 1363 1471 21947 23171 25007 37439 42659 60677 69137 636463 725203 1031509 1175329 1759633 1899061 2004973 29913761 32284037 34084541 55072769 89255867 936237073 1517349739 2588420143 44003142431