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52487440645333 = 17157157611247737
BaseRepresentation
bin10111110111100101011110…
…10000010011110011010101
320212211202020222120111122111
423323302233100103303111
523334423234301122313
6303344221455031021
714025043465146301
oct1373625720236325
9225752228514574
1052487440645333
11157a6886999311
125a7850180b471
1323397101061b5
14cd6597296d01
156104bad6043d
hex2fbcaf413cd5

52487440645333 has 16 divisors (see below), whose sum is σ = 55932511036464. Its totient is φ = 49082141122560.

The previous prime is 52487440645217. The next prime is 52487440645373. The reversal of 52487440645333 is 33354604478425.

It can be written as a sum of positive squares in 8 ways, for example, as 2236454448484 + 50250986196849 = 1495478^2 + 7088793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52487440645333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52487440645373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41442241 + ... + 42689977.

It is an arithmetic number, because the mean of its divisors is an integer number (3495781939779).

Almost surely, 252487440645333 is an apocalyptic number.

It is an amenable number.

52487440645333 is a deficient number, since it is larger than the sum of its proper divisors (3445070391131).

52487440645333 is a wasteful number, since it uses less digits than its factorization.

52487440645333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263672.

The product of its (nonzero) digits is 116121600, while the sum is 58.

The spelling of 52487440645333 in words is "fifty-two trillion, four hundred eighty-seven billion, four hundred forty million, six hundred forty-five thousand, three hundred thirty-three".

Divisors: 1 17 157 2669 15761 267937 1247737 2474477 21211529 42066109 195894709 3330210053 19665582857 334314908569 3087496508549 52487440645333