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44293785413 = 172605516789
BaseRepresentation
bin101001010000000111…
…011000011101000101
311020022220120102202212
4221100013120131011
51211203202113123
632203121313205
73125432651423
oct512007303505
9136286512685
1044293785413
111786a761629
128701a95805
13423b8071a7
142202958113
15124393e878
hexa501d8745

44293785413 has 4 divisors (see below), whose sum is σ = 46899302220. Its totient is φ = 41688268608.

The previous prime is 44293785407. The next prime is 44293785427. The reversal of 44293785413 is 31458739244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31011914404 + 13281871009 = 176102^2 + 115247^2 .

It is a cyclic number.

It is not a de Polignac number, because 44293785413 - 228 = 44025349957 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 (44293785433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302758378 + ... + 1302758411.

It is an arithmetic number, because the mean of its divisors is an integer number (11724825555).

Almost surely, 244293785413 is an apocalyptic number.

It is an amenable number.

44293785413 is a deficient number, since it is larger than the sum of its proper divisors (2605516807).

44293785413 is a wasteful number, since it uses less digits than its factorization.

44293785413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605516806.

The product of its digits is 2903040, while the sum is 50.

The spelling of 44293785413 in words is "forty-four billion, two hundred ninety-three million, seven hundred eighty-five thousand, four hundred thirteen".

Divisors: 1 17 2605516789 44293785413