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47128333112 = 237841577377
BaseRepresentation
bin101011111001000100…
…010100101100111000
311111122110021101012222
4223321010110230320
51233004323124422
633352255423212
73255612136040
oct537104245470
9144573241188
1047128333112
1118a94796233
129173224b08
1345a0b3c353
1423d11b2720
15135c700842
hexaf9114b38

47128333112 has 16 divisors (see below), whose sum is σ = 100989285360. Its totient is φ = 20197857024.

The previous prime is 47128333097. The next prime is 47128333123. The reversal of 47128333112 is 21133382174.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 420788633 + ... + 420788744.

It is an arithmetic number, because the mean of its divisors is an integer number (6311830335).

Almost surely, 247128333112 is an apocalyptic number.

It is an amenable number.

47128333112 is an abundant number, since it is smaller than the sum of its proper divisors (53860952248).

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

47128333112 is a wasteful number, since it uses less digits than its factorization.

47128333112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841577390 (or 841577386 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The spelling of 47128333112 in words is "forty-seven billion, one hundred twenty-eight million, three hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 841577377 1683154754 3366309508 5891041639 6732619016 11782083278 23564166556 47128333112