Search a number
-
+
50512618885 = 5149166340771
BaseRepresentation
bin101111000010110010…
…010110010110000101
311211101022101220112111
4233002302112112011
51311422212301020
635112152421021
73435515114311
oct570262262605
9154338356474
1050512618885
111a471069223
1299586a7771
1349c0022701
14263284cb41
1514a98a1d5a
hexbc2c96585

50512618885 has 16 divisors (see below), whose sum is σ = 61060147200. Its totient is φ = 40113766080.

The previous prime is 50512618873. The next prime is 50512618909. The reversal of 50512618885 is 58881621505.

It is not a de Polignac number, because 50512618885 - 211 = 50512616837 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1218550 + ... + 1259320.

It is an arithmetic number, because the mean of its divisors is an integer number (3816259200).

Almost surely, 250512618885 is an apocalyptic number.

It is an amenable number.

50512618885 is a deficient number, since it is larger than the sum of its proper divisors (10547528315).

50512618885 is a wasteful number, since it uses less digits than its factorization.

50512618885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42588.

The product of its (nonzero) digits is 768000, while the sum is 49.

The spelling of 50512618885 in words is "fifty billion, five hundred twelve million, six hundred eighteen thousand, eight hundred eighty-five".

Divisors: 1 5 149 745 1663 8315 40771 203855 247787 1238935 6074879 30374395 67802173 339010865 10102523777 50512618885