Base | Representation |
---|---|
bin | 10001111101101101… |
… | …111110010010011001 |
3 | 1211210021210102110110 |
4 | 101331231332102121 |
5 | 304001000312133 |
6 | 12510011434533 |
7 | 1252000261554 |
oct | 217555762231 |
9 | 54707712413 |
10 | 19289072793 |
11 | 81a91a6981 |
12 | 38a3a55a49 |
13 | 1a85310953 |
14 | d0db0569b |
15 | 77d63ac63 |
hex | 47db7e499 |
19289072793 has 8 divisors (see below), whose sum is σ = 25753568800. Its totient is φ = 12841979328.
The previous prime is 19289072779. The next prime is 19289072813. The reversal of 19289072793 is 39727098291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19289072793 - 218 = 19288810649 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19289072713) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348048 + ... + 4352481.
It is an arithmetic number, because the mean of its divisors is an integer number (3219196100).
Almost surely, 219289072793 is an apocalyptic number.
It is an amenable number.
19289072793 is a deficient number, since it is larger than the sum of its proper divisors (6464496007).
19289072793 is an equidigital number, since it uses as much as digits as its factorization.
19289072793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8701271.
The product of its (nonzero) digits is 3429216, while the sum is 57.
The spelling of 19289072793 in words is "nineteen billion, two hundred eighty-nine million, seventy-two thousand, seven hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.123 sec. • engine limits •