Base | Representation |
---|---|
bin | 10001110100010110… |
… | …000000011011000111 |
3 | 1211101022211220002022 |
4 | 101310112000123013 |
5 | 303140214421033 |
6 | 12442232433355 |
7 | 1245050401256 |
oct | 216426003307 |
9 | 54338756068 |
10 | 19131795143 |
11 | 812844394a |
12 | 385b24885b |
13 | 1a5b864356 |
14 | cd6c8479d |
15 | 76e920098 |
hex | 4745806c7 |
19131795143 has 2 divisors, whose sum is σ = 19131795144. Its totient is φ = 19131795142.
The previous prime is 19131795037. The next prime is 19131795149. The reversal of 19131795143 is 34159713191.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 19131795143 - 232 = 14836827847 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19131795094 and 19131795103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19131795149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9565897571 + 9565897572.
It is an arithmetic number, because the mean of its divisors is an integer number (9565897572).
Almost surely, 219131795143 is an apocalyptic number.
19131795143 is a deficient number, since it is larger than the sum of its proper divisors (1).
19131795143 is an equidigital number, since it uses as much as digits as its factorization.
19131795143 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 102060, while the sum is 44.
The spelling of 19131795143 in words is "nineteen billion, one hundred thirty-one million, seven hundred ninety-five thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •