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52011539712 = 28321117611979
BaseRepresentation
bin110000011100001000…
…010001110100000000
311222020202212222100200
4300130020101310000
51323004423232322
635521015445200
73520615536006
oct603410216400
9158222788320
1052011539712
1120070181670
12a0b6686800
134b9b727702
142735950a76
1515462868ac
hexc1c211d00

52011539712 has 432 divisors, whose sum is σ = 176146850880. Its totient is φ = 14583398400.

The previous prime is 52011539711. The next prime is 52011539717. The reversal of 52011539712 is 21793511025.

52011539712 is a `hidden beast` number, since 52 + 0 + 1 + 1 + 539 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52011539711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26280739 + ... + 26282717.

It is an arithmetic number, because the mean of its divisors is an integer number (407747340).

Almost surely, 252011539712 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 52011539712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88073425440).

52011539712 is an abundant number, since it is smaller than the sum of its proper divisors (124135311168).

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

52011539712 is a wasteful number, since it uses less digits than its factorization.

52011539712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 52011539712 in words is "fifty-two billion, eleven million, five hundred thirty-nine thousand, seven hundred twelve".