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50505000505 = 513177106871
BaseRepresentation
bin101111000010010101…
…010010011000111001
311211100210001212002021
4233002111102120321
51311413240004010
635111321234441
73435363264301
oct570225223071
9154323055067
1050505000505
111a467835443
129956032a21
1349bb585bab
142631828601
1514a8d998da
hexbc2552639

50505000505 has 8 divisors (see below), whose sum is σ = 61068642624. Its totient is φ = 40095572400.

The previous prime is 50505000493. The next prime is 50505000509. The reversal of 50505000505 is 50500050505.

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

It is not a de Polignac number, because 50505000505 - 225 = 50471446073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50505000505.

It is not an unprimeable number, because it can be changed into a prime (50505000509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38552781 + ... + 38554090.

It is an arithmetic number, because the mean of its divisors is an integer number (7633580328).

Almost surely, 250505000505 is an apocalyptic number.

It is an amenable number.

50505000505 is a deficient number, since it is larger than the sum of its proper divisors (10563642119).

50505000505 is a wasteful number, since it uses less digits than its factorization.

50505000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77107007.

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 50505000505 in words is "fifty billion, five hundred five million, five hundred five", and thus it is an aban number.

Divisors: 1 5 131 655 77106871 385534355 10101000101 50505000505