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16227011249 = 17489927841
BaseRepresentation
bin11110001110011010…
…01000101010110001
31112212212222120200122
433013031020222301
5231213103324444
611242105100025
71113056214461
oct170715105261
945785876618
1016227011249
1169777a77a9
12318a487615
1316b7b0a007
14add185ba1
1564e8d84ee
hex3c7348ab1

16227011249 has 4 divisors (see below), whose sum is σ = 16227956580. Its totient is φ = 16226065920.

The previous prime is 16227011239. The next prime is 16227011261. The reversal of 16227011249 is 94211072261.

16227011249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7044580624 + 9182430625 = 83932^2 + 95825^2 .

It is a cyclic number.

It is not a de Polignac number, because 16227011249 - 232 = 11932043953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16227011209) 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 3 ways as a sum of consecutive naturals, for example, 446432 + ... + 481409.

It is an arithmetic number, because the mean of its divisors is an integer number (4056989145).

Almost surely, 216227011249 is an apocalyptic number.

It is an amenable number.

16227011249 is a deficient number, since it is larger than the sum of its proper divisors (945331).

16227011249 is an equidigital number, since it uses as much as digits as its factorization.

16227011249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945330.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 16227011249 in words is "sixteen billion, two hundred twenty-seven million, eleven thousand, two hundred forty-nine".

Divisors: 1 17489 927841 16227011249