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53934279840 = 2533574121061
BaseRepresentation
bin110010001110101110…
…111100110010100000
312011012202212021222000
4302032232330302200
51340424133423330
640435502444000
73616353546240
oct621656746240
9164182767860
1053934279840
11209675497a1
12a552593600
135116b9096c
142879057b20
151609e87560
hexc8ebbcca0

53934279840 has 576 divisors, whose sum is σ = 221335752960. Its totient is φ = 12015820800.

The previous prime is 53934279803. The next prime is 53934279857. The reversal of 53934279840 is 4897243935.

53934279840 is a `hidden beast` number, since 5 + 3 + 93 + 427 + 98 + 40 = 666.

53934279840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50832910 + ... + 50833970.

It is an arithmetic number, because the mean of its divisors is an integer number (384263460).

Almost surely, 253934279840 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 53934279840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110667876480).

53934279840 is an abundant number, since it is smaller than the sum of its proper divisors (167401473120).

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

53934279840 is a wasteful number, since it uses less digits than its factorization.

53934279840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 53934279840 in words is "fifty-three billion, nine hundred thirty-four million, two hundred seventy-nine thousand, eight hundred forty".