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52806848537 = 311703446727
BaseRepresentation
bin110001001011100010…
…001001000000011001
312001022012101211222002
4301023202021000121
51331122023123122
640131550010345
73546413543432
oct611342110031
9161265354862
1052806848537
11204390a8993
12a298aa69b5
134c97427251
1427ad418489
151590ed3992
hexc4b889019

52806848537 has 4 divisors (see below), whose sum is σ = 54510295296. Its totient is φ = 51103401780.

The previous prime is 52806848509. The next prime is 52806848557. The reversal of 52806848537 is 73584860825.

It is a happy number.

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 52806848537 - 26 = 52806848473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52806848557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851723333 + ... + 851723394.

It is an arithmetic number, because the mean of its divisors is an integer number (13627573824).

Almost surely, 252806848537 is an apocalyptic number.

It is an amenable number.

52806848537 is a deficient number, since it is larger than the sum of its proper divisors (1703446759).

52806848537 is a wasteful number, since it uses less digits than its factorization.

52806848537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703446758.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 52806848537 in words is "fifty-two billion, eight hundred six million, eight hundred forty-eight thousand, five hundred thirty-seven".

Divisors: 1 31 1703446727 52806848537