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50061578784 = 25371721913567
BaseRepresentation
bin101110100111111001…
…110001001000100000
311210012212200200211120
4232213321301020200
51310011231010114
634555321212240
73421400253510
oct564771611040
9153185620746
1050061578784
111a25a502108
129851631080
13494a750489
1425cc99d840
15147eeaa5a9
hexba7e71220

50061578784 has 288 divisors, whose sum is σ = 167947960320. Its totient is φ = 12752474112.

The previous prime is 50061578741. The next prime is 50061578813. The reversal of 50061578784 is 48787516005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3683169 + ... + 3696735.

It is an arithmetic number, because the mean of its divisors is an integer number (583152640).

Almost surely, 250061578784 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 50061578784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83973980160).

50061578784 is an abundant number, since it is smaller than the sum of its proper divisors (117886381536).

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

50061578784 is a wasteful number, since it uses less digits than its factorization.

50061578784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13640 (or 13615 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 50061578784 in words is "fifty billion, sixty-one million, five hundred seventy-eight thousand, seven hundred eighty-four".