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13530523145 = 523117656723
BaseRepresentation
bin11001001100111101…
…10110011000001001
31021220222001210101212
430212132312120021
5210202303220040
610114342022505
7656204356226
oct144636663011
937828053355
1013530523145
11581369a337
122757417a35
131378282c19
14924dc894d
15542ce8d65
hex3267b6609

13530523145 has 8 divisors (see below), whose sum is σ = 16942568256. Its totient is φ = 10353791536.

The previous prime is 13530523141. The next prime is 13530523151. The reversal of 13530523145 is 54132503531.

13530523145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13530523145 - 22 = 13530523141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13530523141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58828247 + ... + 58828476.

It is an arithmetic number, because the mean of its divisors is an integer number (2117821032).

Almost surely, 213530523145 is an apocalyptic number.

It is an amenable number.

13530523145 is a deficient number, since it is larger than the sum of its proper divisors (3412045111).

13530523145 is a wasteful number, since it uses less digits than its factorization.

13530523145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117656751.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 13530523145 in words is "thirteen billion, five hundred thirty million, five hundred twenty-three thousand, one hundred forty-five".

Divisors: 1 5 23 115 117656723 588283615 2706104629 13530523145