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52039052640 = 253751271171
BaseRepresentation
bin110000011101110001…
…001110110101100000
311222022200122210000000
4300131301032311200
51323033444141030
635523441300000
73521401435431
oct603561166540
9158280583000
1052039052640
1120084763523
12a103934600
134ba433b653
142739473488
1515488bd860
hexc1dc4ed60

52039052640 has 384 divisors, whose sum is σ = 185995837440. Its totient is φ = 13756055040.

The previous prime is 52039052629. The next prime is 52039052641. The reversal of 52039052640 is 4625093025.

52039052640 is a `hidden beast` number, since 5 + 2 + 0 + 3 + 9 + 0 + 5 + 2 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 52039052595 and 52039052604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52039052641) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 44439255 + ... + 44440425.

It is an arithmetic number, because the mean of its divisors is an integer number (484364160).

Almost surely, 252039052640 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 52039052640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92997918720).

52039052640 is an abundant number, since it is smaller than the sum of its proper divisors (133956784800).

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

52039052640 is a wasteful number, since it uses less digits than its factorization.

52039052640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 52039052640 in words is "fifty-two billion, thirty-nine million, fifty-two thousand, six hundred forty".