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19289143005 = 3511210627627
BaseRepresentation
bin10001111101101110…
…001111011011011101
31211210021220222202220
4101331232033123131
5304001010034010
612510013135553
71252001003346
oct217556173335
954707828686
1019289143005
1181a9244700
1238a3a8a5b9
131a853368b2
14d0db230cd
1577d651970
hex47db8f6dd

19289143005 has 24 divisors (see below), whose sum is σ = 33923388576. Its totient is φ = 9352310880.

The previous prime is 19289142991. The next prime is 19289143037. The reversal of 19289143005 is 50034198291.

It is not a de Polignac number, because 19289143005 - 218 = 19288880861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5311999 + ... + 5315628.

It is an arithmetic number, because the mean of its divisors is an integer number (1413474524).

Almost surely, 219289143005 is an apocalyptic number.

19289143005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19289143005 is a deficient number, since it is larger than the sum of its proper divisors (14634245571).

19289143005 is a wasteful number, since it uses less digits than its factorization.

19289143005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627657 (or 10627646 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 19289143005 in words is "nineteen billion, two hundred eighty-nine million, one hundred forty-three thousand, five".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1815 10627627 31882881 53138135 116903897 159414405 350711691 584519485 1285942867 1753558455 3857828601 6429714335 19289143005