Base | Representation |
---|---|
bin | 10010001001001111… |
… | …000001001101010111 |
3 | 1212021202100121121221 |
4 | 102021033001031113 |
5 | 304344431104022 |
6 | 12541112551211 |
7 | 1256534455252 |
oct | 221117011527 |
9 | 55252317557 |
10 | 19482284887 |
11 | 8298272a9a |
12 | 39386b2507 |
13 | 1ab635c430 |
14 | d2b63c099 |
15 | 7905a3cc7 |
hex | 4893c1357 |
19482284887 has 8 divisors (see below), whose sum is σ = 21006303696. Its totient is φ = 17961892032.
The previous prime is 19482284881. The next prime is 19482284911. The reversal of 19482284887 is 78848228491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19482284887 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19482284881) 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, 895318 + ... + 916819.
It is an arithmetic number, because the mean of its divisors is an integer number (2625787962).
Almost surely, 219482284887 is an apocalyptic number.
19482284887 is a deficient number, since it is larger than the sum of its proper divisors (1524018809).
19482284887 is a wasteful number, since it uses less digits than its factorization.
19482284887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812977.
The product of its digits is 16515072, while the sum is 61.
The spelling of 19482284887 in words is "nineteen billion, four hundred eighty-two million, two hundred eighty-four thousand, eight hundred eighty-seven".
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