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53000005389 = 317666668463
BaseRepresentation
bin110001010111000010…
…111110011100001101
312001210122212020100120
4301113002332130031
51332021000133024
640203050015153
73554250420102
oct612702763415
9161718766316
1053000005389
1120528137551
12a3317174b9
134cc8456846
1427cad38aa9
1515a2e3a479
hexc570be70d

53000005389 has 4 divisors (see below), whose sum is σ = 70666673856. Its totient is φ = 35333336924.

The previous prime is 53000005351. The next prime is 53000005391. The reversal of 53000005389 is 98350000035.

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 53000005389 - 212 = 53000001293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000003389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8833334229 + ... + 8833334234.

It is an arithmetic number, because the mean of its divisors is an integer number (17666668464).

Almost surely, 253000005389 is an apocalyptic number.

It is an amenable number.

53000005389 is a deficient number, since it is larger than the sum of its proper divisors (17666668467).

53000005389 is a wasteful number, since it uses less digits than its factorization.

53000005389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666668466.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 53000005389 in words is "fifty-three billion, five thousand, three hundred eighty-nine".

Divisors: 1 3 17666668463 53000005389