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19448874341 = 1314291046933
BaseRepresentation
bin10010000111001111…
…100100010101100101
31212012102111011222022
4102013033210111211
5304312402434331
612533520512525
71255650463361
oct220717442545
955172434868
1019448874341
118280423176
12392947b745
131aac461c90
14d270222a1
1578c6a467b
hex4873e4565

19448874341 has 8 divisors (see below), whose sum is σ = 20959618680. Its totient is φ = 17940226752.

The previous prime is 19448874337. The next prime is 19448874353. The reversal of 19448874341 is 14347884491.

It can be written as a sum of positive squares in 4 ways, for example, as 992565025 + 18456309316 = 31505^2 + 135854^2 .

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 19448874341 - 22 = 19448874337 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19448874371) 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, 504890 + ... + 542043.

It is an arithmetic number, because the mean of its divisors is an integer number (2619952335).

Almost surely, 219448874341 is an apocalyptic number.

It is an amenable number.

19448874341 is a deficient number, since it is larger than the sum of its proper divisors (1510744339).

19448874341 is a wasteful number, since it uses less digits than its factorization.

19448874341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048375.

The product of its digits is 3096576, while the sum is 53.

The spelling of 19448874341 in words is "nineteen billion, four hundred forty-eight million, eight hundred seventy-four thousand, three hundred forty-one".

Divisors: 1 13 1429 18577 1046933 13610129 1496067257 19448874341