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44013745871 = 181312427541
BaseRepresentation
bin101000111111011011…
…000111011011001111
311012121101121221201222
4220333123013123033
51210120004331441
632115235153555
73115462444544
oct507733073317
9135541557658
1044013745871
1117736680797
1286441458bb
1341c57a7814
1421b769cbcb
151229074d4b
hexa3f6c76cf

44013745871 has 4 divisors (see below), whose sum is σ = 44016191544. Its totient is φ = 44011300200.

The previous prime is 44013745859. The next prime is 44013745907. The reversal of 44013745871 is 17854731044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44013745871 - 234 = 26833876687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013705871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195640 + ... + 1231901.

It is an arithmetic number, because the mean of its divisors is an integer number (11004047886).

Almost surely, 244013745871 is an apocalyptic number.

44013745871 is a deficient number, since it is larger than the sum of its proper divisors (2445673).

44013745871 is a wasteful number, since it uses less digits than its factorization.

44013745871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445672.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 44013745871 in words is "forty-four billion, thirteen million, seven hundred forty-five thousand, eight hundred seventy-one".

Divisors: 1 18131 2427541 44013745871