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50423247309 = 370039239977
BaseRepresentation
bin101110111101011101…
…011011000111001101
311211011002020100210010
4232331131123013031
51311231322403214
635055241103433
73433351346631
oct567535330715
9154132210703
1050423247309
111a425677016
129932787b79
1349a7660816
142624a26dc1
1514a1aeb659
hexbbd75b1cd

50423247309 has 8 divisors (see below), whose sum is σ = 67232236480. Its totient is φ = 33614878176.

The previous prime is 50423247289. The next prime is 50423247319. The reversal of 50423247309 is 90374232405.

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

It is a de Polignac number, because none of the positive numbers 2k-50423247309 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 (50423247319) 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 7 ways as a sum of consecutive naturals, for example, 90129 + ... + 330105.

It is an arithmetic number, because the mean of its divisors is an integer number (8404029560).

Almost surely, 250423247309 is an apocalyptic number.

It is an amenable number.

50423247309 is a deficient number, since it is larger than the sum of its proper divisors (16808989171).

50423247309 is a wasteful number, since it uses less digits than its factorization.

50423247309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310019.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 50423247309 in words is "fifty billion, four hundred twenty-three million, two hundred forty-seven thousand, three hundred nine".

Divisors: 1 3 70039 210117 239977 719931 16807749103 50423247309