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52804657849 = 239220939991
BaseRepresentation
bin110001001011011001…
…110010001010111001
312001022001021112220111
4301023121302022321
51331120443022344
640131431024321
73546356120536
oct611331621271
9161261245814
1052804657849
1120437941aa9
12a29820b0a1
134c96b3b098
1427ad007d8d
151590bee834
hexc4b6722b9

52804657849 has 4 divisors (see below), whose sum is σ = 53025598080. Its totient is φ = 52583717620.

The previous prime is 52804657819. The next prime is 52804657903. The reversal of 52804657849 is 94875640825.

52804657849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52804657849 - 233 = 44214723257 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52804657793 and 52804657802.

It is not an unprimeable number, because it can be changed into a prime (52804657819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110469757 + ... + 110470234.

It is an arithmetic number, because the mean of its divisors is an integer number (13256399520).

Almost surely, 252804657849 is an apocalyptic number.

It is an amenable number.

52804657849 is a deficient number, since it is larger than the sum of its proper divisors (220940231).

52804657849 is a wasteful number, since it uses less digits than its factorization.

52804657849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220940230.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 52804657849 in words is "fifty-two billion, eight hundred four million, six hundred fifty-seven thousand, eight hundred forty-nine".

Divisors: 1 239 220939991 52804657849