Search a number
-
+
50390745120 = 253251915711731
BaseRepresentation
bin101110111011100001…
…011100000000100000
311211001211002002011100
4232323201130000200
51311200012320440
635052120314400
73432505160232
oct567341340040
9154054062140
1050390745120
111a409297701
129923912a00
1349a09c0961
1426205a6252
15149dd2b230
hexbbb85c020

50390745120 has 288 divisors, whose sum is σ = 182177311680. Its totient is φ = 12648130560.

The previous prime is 50390745079. The next prime is 50390745133. The reversal of 50390745120 is 2154709305.

50390745120 is a `hidden beast` number, since 50 + 3 + 90 + 7 + 4 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4289655 + ... + 4301385.

It is an arithmetic number, because the mean of its divisors is an integer number (632560110).

Almost surely, 250390745120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50390745120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91088655840).

50390745120 is an abundant number, since it is smaller than the sum of its proper divisors (131786566560).

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

50390745120 is a wasteful number, since it uses less digits than its factorization.

50390745120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928 (or 11917 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 50390745120 in words is "fifty billion, three hundred ninety million, seven hundred forty-five thousand, one hundred twenty".