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16469484449 = 111978801361
BaseRepresentation
bin11110101011010100…
…00110001110100001
31120111210020111101112
433111222012032201
5232212142000244
611322130113105
71122062210435
oct172552061641
946453214345
1016469484449
116a9165a480
12323771b795
131726115792
14b234629c5
15665d3239e
hex3d5a863a1

16469484449 has 8 divisors (see below), whose sum is σ = 18912326880. Its totient is φ = 14184244800.

The previous prime is 16469484439. The next prime is 16469484469. The reversal of 16469484449 is 94448496461.

It is a happy number.

16469484449 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 not a de Polignac number, because 16469484449 - 24 = 16469484433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16469484439) 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, 39400472 + ... + 39400889.

It is an arithmetic number, because the mean of its divisors is an integer number (2364040860).

Almost surely, 216469484449 is an apocalyptic number.

16469484449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16469484449 is a deficient number, since it is larger than the sum of its proper divisors (2442842431).

16469484449 is a wasteful number, since it uses less digits than its factorization.

16469484449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78801391.

The product of its digits is 23887872, while the sum is 59.

The spelling of 16469484449 in words is "sixteen billion, four hundred sixty-nine million, four hundred eighty-four thousand, four hundred forty-nine".

Divisors: 1 11 19 209 78801361 866814971 1497225859 16469484449