Base | Representation |
---|---|
bin | 10001110100000111… |
… | …101100001101001011 |
3 | 1211101001210020011200 |
4 | 101310013230031023 |
5 | 303133234323230 |
6 | 12442020155243 |
7 | 1245003451134 |
oct | 216407541513 |
9 | 54331706150 |
10 | 19128042315 |
11 | 8126310338 |
12 | 3859b38b23 |
13 | 1a5ab4c145 |
14 | cd6588c8b |
15 | 76e42d160 |
hex | 4741ec34b |
19128042315 has 24 divisors (see below), whose sum is σ = 33174807120. Its totient is φ = 10195612224.
The previous prime is 19128042289. The next prime is 19128042341. The reversal of 19128042315 is 51324082191.
It is an interprime number because it is at equal distance from previous prime (19128042289) and next prime (19128042341).
It is not a de Polignac number, because 19128042315 - 210 = 19128041291 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 19128042315.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 47457 + ... + 201266.
It is an arithmetic number, because the mean of its divisors is an integer number (1382283630).
Almost surely, 219128042315 is an apocalyptic number.
19128042315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
19128042315 is a deficient number, since it is larger than the sum of its proper divisors (14046764805).
19128042315 is a wasteful number, since it uses less digits than its factorization.
19128042315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250443 (or 250440 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The spelling of 19128042315 in words is "nineteen billion, one hundred twenty-eight million, forty-two thousand, three hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •