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50228549509 = 191262976699
BaseRepresentation
bin101110110001110110…
…101101011110000101
311210122111212200121111
4232301312231132011
51310332002041014
635024044045021
73425465424565
oct566166553605
9153574780544
1050228549509
111a335785746
129899533771
134976211a18
142606c24da5
15148e98d2c4
hexbb1dad785

50228549509 has 4 divisors (see below), whose sum is σ = 50491526400. Its totient is φ = 49965572620.

The previous prime is 50228549479. The next prime is 50228549533. The reversal of 50228549509 is 90594582205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50228549509 - 231 = 48081065861 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 (50228541509) 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, 131488159 + ... + 131488540.

It is an arithmetic number, because the mean of its divisors is an integer number (12622881600).

Almost surely, 250228549509 is an apocalyptic number.

It is an amenable number.

50228549509 is a deficient number, since it is larger than the sum of its proper divisors (262976891).

50228549509 is a wasteful number, since it uses less digits than its factorization.

50228549509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262976890.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 50228549509 in words is "fifty billion, two hundred twenty-eight million, five hundred forty-nine thousand, five hundred nine".

Divisors: 1 191 262976699 50228549509