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50122440000 = 263254294801
BaseRepresentation
bin101110101011100001…
…111011110101000000
311210101010012202201200
4232223201323311000
51310122321040000
635005333501200
73423036465453
oct565341736500
9153333182650
1050122440000
111a2908a1036
129869aa1800
13495a23c429
1425d6ac349a
1514854cd500
hexbab87bd40

50122440000 has 420 divisors, whose sum is σ = 185755429860. Its totient is φ = 12902400000.

The previous prime is 50122439959. The next prime is 50122440001. The reversal of 50122440000 is 4422105.

It can be written as a sum of positive squares in 10 ways, for example, as 36303967296 + 13818472704 = 190536^2 + 117552^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50122440001) 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 59 ways as a sum of consecutive naturals, for example, 10437600 + ... + 10442400.

It is an arithmetic number, because the mean of its divisors is an integer number (442274833).

Almost surely, 250122440000 is an apocalyptic number.

50122440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50122440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92877714930).

50122440000 is an abundant number, since it is smaller than the sum of its proper divisors (135632989860).

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

50122440000 is a wasteful number, since it uses less digits than its factorization.

50122440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 50122440000 its reverse (4422105), we get a palindrome (50126862105).

The spelling of 50122440000 in words is "fifty billion, one hundred twenty-two million, four hundred forty thousand".