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52843069440 = 21433573413
BaseRepresentation
bin110001001101101100…
…010100000000000000
312001101201120001201000
4301031230110000000
51331210311210230
640135322212000
73550333451640
oct611554240000
9161351501630
1052843069440
1120457598217
12a2a9054000
134ca1a99935
1427b4166520
15159428ab60
hexc4db14000

52843069440 has 480 divisors, whose sum is σ = 214783752960. Its totient is φ = 12074876928.

The previous prime is 52843069423. The next prime is 52843069463. The reversal of 52843069440 is 4496034825.

52843069440 is a `hidden beast` number, since 528 + 4 + 30 + 6 + 94 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15481174 + ... + 15484586.

It is an arithmetic number, because the mean of its divisors is an integer number (447466152).

Almost surely, 252843069440 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 52843069440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107391876480).

52843069440 is an abundant number, since it is smaller than the sum of its proper divisors (161940683520).

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

52843069440 is an equidigital number, since it uses as much as digits as its factorization.

52843069440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 52843069440 in words is "fifty-two billion, eight hundred forty-three million, sixty-nine thousand, four hundred forty".