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44140324431 = 378632435597
BaseRepresentation
bin101001000110111101…
…111110011001001111
311012221012210210212210
4221012331332121033
51210344410340211
632140000201503
73121560365340
oct510675763117
9135835723783
1044140324431
11177a1076075
12867a609293
134215a95b88
1421ca40c0c7
1512352299a6
hexa46f7e64f

44140324431 has 16 divisors (see below), whose sum is σ = 67339413504. Its totient is φ = 25193805024.

The previous prime is 44140324409. The next prime is 44140324447. The reversal of 44140324431 is 13442304144.

It is not a de Polignac number, because 44140324431 - 29 = 44140323919 is a prime.

It is a super-2 number, since 2×441403244312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140324231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199676 + ... + 1235921.

It is an arithmetic number, because the mean of its divisors is an integer number (4208713344).

Almost surely, 244140324431 is an apocalyptic number.

44140324431 is a deficient number, since it is larger than the sum of its proper divisors (23199089073).

44140324431 is a wasteful number, since it uses less digits than its factorization.

44140324431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436470.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 44140324431 its reverse (13442304144), we get a palindrome (57582628575).

The spelling of 44140324431 in words is "forty-four billion, one hundred forty million, three hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 3 7 21 863 2589 6041 18123 2435597 7306791 17049179 51147537 2101920211 6305760633 14713441477 44140324431