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16484073505 = 53296814701
BaseRepresentation
bin11110101101000011…
…10000000000100001
31120112210200200210221
433112201300000201
5232224410323010
611323410523041
71122330212224
oct172641600041
946483620727
1016484073505
116a99914449
123240596481
131729153063
14b2537d5bb
15667264dda
hex3d6870021

16484073505 has 4 divisors (see below), whose sum is σ = 19780888212. Its totient is φ = 13187258800.

The previous prime is 16484073503. The next prime is 16484073553. The reversal of 16484073505 is 50537048461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50537048461 = 202724931943.

It can be written as a sum of positive squares in 2 ways, for example, as 8912115216 + 7571958289 = 94404^2 + 87017^2 .

It is not a de Polignac number, because 16484073505 - 21 = 16484073503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16484073503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648407346 + ... + 1648407355.

It is an arithmetic number, because the mean of its divisors is an integer number (4945222053).

Almost surely, 216484073505 is an apocalyptic number.

It is an amenable number.

16484073505 is a deficient number, since it is larger than the sum of its proper divisors (3296814707).

16484073505 is an equidigital number, since it uses as much as digits as its factorization.

16484073505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296814706.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 16484073505 in words is "sixteen billion, four hundred eighty-four million, seventy-three thousand, five hundred five".

Divisors: 1 5 3296814701 16484073505