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663543130 = 2566354313
BaseRepresentation
bin100111100011001…
…101110101011010
31201020120111001111
4213203031311122
52324331340010
6145502010534
722305011035
oct4743156532
91636514044
10663543130
11310609858
12166276a4a
13a7616493
14641a801c
153d3c058a
hex278cdd5a

663543130 has 8 divisors (see below), whose sum is σ = 1194377652. Its totient is φ = 265417248.

The previous prime is 663543091. The next prime is 663543151. The reversal of 663543130 is 31345366.

It can be written as a sum of positive squares in 2 ways, for example, as 646328929 + 17214201 = 25423^2 + 4149^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 663543092 and 663543101.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33177147 + ... + 33177166.

Almost surely, 2663543130 is an apocalyptic number.

663543130 is a deficient number, since it is larger than the sum of its proper divisors (530834522).

663543130 is a wasteful number, since it uses less digits than its factorization.

663543130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66354320.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 663543130 is about 25759.3309307521. The cubic root of 663543130 is about 872.2139980983.

Adding to 663543130 its reverse (31345366), we get a palindrome (694888496).

The spelling of 663543130 in words is "six hundred sixty-three million, five hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 66354313 132708626 331771565 663543130