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47068481281536 = 29321113312239311
BaseRepresentation
bin10101011001110111111000…
…00110110101111000000000
320011122200222101111112111100
422230323330012311320000
522132132222202002121
6244034543425214400
712625404562435041
oct1254737406657000
9204580871445440
1047068481281536
1113aa76a3679860
12534222b191400
1320357007c3450
14b8a1ab7508c8
1556955c536026
hex2acefc1b5e00

47068481281536 has 1440 divisors, whose sum is σ = 166128197114880. Its totient is φ = 12647190528000.

The previous prime is 47068481281513. The next prime is 47068481281589. The reversal of 47068481281536 is 63518218486074.

47068481281536 is a `hidden beast` number, since 4 + 7 + 0 + 6 + 8 + 4 + 8 + 12 + 81 + 536 = 666.

47068481281536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 151345598821 + ... + 151345599131.

It is an arithmetic number, because the mean of its divisors is an integer number (115366803552).

Almost surely, 247068481281536 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 47068481281536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83064098557440).

47068481281536 is an abundant number, since it is smaller than the sum of its proper divisors (119059715833344).

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

47068481281536 is a wasteful number, since it uses less digits than its factorization.

47068481281536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 47068481281536 in words is "forty-seven trillion, sixty-eight billion, four hundred eighty-one million, two hundred eighty-one thousand, five hundred thirty-six".