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50128832286 = 233131931412957
BaseRepresentation
bin101110101011111010…
…010100011100011110
311210101120020112022000
4232223322110130132
51310130440113121
635010122503130
73423145021041
oct565372243436
9153346215260
1050128832286
111a294467715
129870064aa6
13495b669b50
1425d78a8c58
151485d42526
hexbabe9471e

50128832286 has 256 divisors, whose sum is σ = 133578547200. Its totient is φ = 13791513600.

The previous prime is 50128832251. The next prime is 50128832287. The reversal of 50128832286 is 68223882105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50128832287) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16951120 + ... + 16954076.

It is an arithmetic number, because the mean of its divisors is an integer number (521791200).

Almost surely, 250128832286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50128832286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66789273600).

50128832286 is an abundant number, since it is smaller than the sum of its proper divisors (83449714914).

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

50128832286 is a wasteful number, since it uses less digits than its factorization.

50128832286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 50128832286 in words is "fifty billion, one hundred twenty-eight million, eight hundred thirty-two thousand, two hundred eighty-six".