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50689088868 = 223111273023687
BaseRepresentation
bin101111001101010011…
…100001110101100100
311211211121110111211210
4233031103201311210
51312302401320433
635141455031420
73443060101125
oct571523416544
9154747414753
1050689088868
111a55173a790
1299a780b570
134a1a75b912
14264c06804c
1514ba10e463
hexbcd4e1d64

50689088868 has 48 divisors (see below), whose sum is σ = 130042773504. Its totient is φ = 15239377440.

The previous prime is 50689088861. The next prime is 50689088897. The reversal of 50689088868 is 86888098605.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 50689088799 and 50689088808.

It is not an unprimeable number, because it can be changed into a prime (50689088861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495080 + ... + 1528607.

It is an arithmetic number, because the mean of its divisors is an integer number (2709224448).

Almost surely, 250689088868 is an apocalyptic number.

It is an amenable number.

50689088868 is an abundant number, since it is smaller than the sum of its proper divisors (79353684636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50689088868 is a wasteful number, since it uses less digits than its factorization.

50689088868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023832 (or 3023830 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 66.

The spelling of 50689088868 in words is "fifty billion, six hundred eighty-nine million, eighty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 127 132 254 381 508 762 1397 1524 2794 4191 5588 8382 16764 3023687 6047374 9071061 12094748 18142122 33260557 36284244 66521114 99781671 133042228 199563342 384008249 399126684 768016498 1152024747 1536032996 2304049494 4224090739 4608098988 8448181478 12672272217 16896362956 25344544434 50689088868