Search a number
-
+
50290078080 = 27351141789
BaseRepresentation
bin101110110101100001…
…011011000110000000
311210210210122122221110
4232311201123012000
51310443224444310
635034122523320
73430143416304
oct566541330600
9153723578843
1050290078080
111a367490000
1298b6066540
134985ba5668
14261107dd04
151495093d20
hexbb585b180

50290078080 has 320 divisors, whose sum is σ = 176427054000. Its totient is φ = 12184719360.

The previous prime is 50290078031. The next prime is 50290078087. The reversal of 50290078080 is 8087009205.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50290078087) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28109826 + ... + 28111614.

Almost surely, 250290078080 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 50290078080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88213527000).

50290078080 is an abundant number, since it is smaller than the sum of its proper divisors (126136975920).

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

50290078080 is an equidigital number, since it uses as much as digits as its factorization.

50290078080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 50290078080 in words is "fifty billion, two hundred ninety million, seventy-eight thousand, eighty".