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530281849293 = 32728269145417
BaseRepresentation
bin1111011011101110100…
…00101110000111001101
31212200202020212001011100
413231313100232013031
532142004123134133
61043335204213313
753211610230300
oct7556720560715
91780666761140
10530281849293
11194989309029
128693239a239
133b00ba271b1
141b946c78b37
15dbd9382e13
hex7b7742e1cd

530281849293 has 36 divisors (see below), whose sum is σ = 891131683260. Its totient is φ = 302979470976.

The previous prime is 530281849291. The next prime is 530281849343. The reversal of 530281849293 is 392948182035.

530281849293 is a `hidden beast` number, since 5 + 30 + 28 + 18 + 492 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 512257981284 + 18023868009 = 715722^2 + 134253^2 .

It is not a de Polignac number, because 530281849293 - 21 = 530281849291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530281849291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3573921 + ... + 3719337.

Almost surely, 2530281849293 is an apocalyptic number.

It is an amenable number.

530281849293 is a deficient number, since it is larger than the sum of its proper divisors (360849833967).

530281849293 is a wasteful number, since it uses less digits than its factorization.

530281849293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153706 (or 153696 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 530281849293 in words is "five hundred thirty billion, two hundred eighty-one million, eight hundred forty-nine thousand, two hundred ninety-three".

Divisors: 1 3 7 9 21 49 63 147 441 8269 24807 57883 74421 145417 173649 405181 436251 520947 1017919 1215543 1308753 3053757 3646629 7125433 9161271 21376299 64128897 1202453173 3607359519 8417172211 10822078557 25251516633 58920205477 75754549899 176760616431 530281849293