Base | Representation |
---|---|
bin | 10001111101101110… |
… | …001111011011011101 |
3 | 1211210021220222202220 |
4 | 101331232033123131 |
5 | 304001010034010 |
6 | 12510013135553 |
7 | 1252001003346 |
oct | 217556173335 |
9 | 54707828686 |
10 | 19289143005 |
11 | 81a9244700 |
12 | 38a3a8a5b9 |
13 | 1a853368b2 |
14 | d0db230cd |
15 | 77d651970 |
hex | 47db8f6dd |
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".
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