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44072909913 = 380918159419
BaseRepresentation
bin101001000010111100…
…110011110001011001
311012202111221210112210
4221002330303301121
51210230131104123
632125151225333
73120111360504
oct510274636131
9135674853483
1044072909913
111776701059a
12865bb18249
134204b21126
1421c14a013b
15122e35ee93
hexa42f33c59

44072909913 has 8 divisors (see below), whose sum is σ = 58836520800. Its totient is φ = 29345619488.

The previous prime is 44072909893. The next prime is 44072909927. The reversal of 44072909913 is 31990927044.

It is a happy number.

44072909913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 44072909913 - 26 = 44072909849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44072909953) 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, 9077283 + ... + 9082136.

It is an arithmetic number, because the mean of its divisors is an integer number (7354565100).

Almost surely, 244072909913 is an apocalyptic number.

It is an amenable number.

44072909913 is a deficient number, since it is larger than the sum of its proper divisors (14763610887).

44072909913 is a wasteful number, since it uses less digits than its factorization.

44072909913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18160231.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 44072909913 in words is "forty-four billion, seventy-two million, nine hundred nine thousand, nine hundred thirteen".

Divisors: 1 3 809 2427 18159419 54478257 14690969971 44072909913