Base | Representation |
---|---|
bin | 1000111100111000000101… |
… | …11111001010100101110000 |
3 | 2120200202112210202100212220 |
4 | 10132130002333022211300 |
5 | 10040000044104333243 |
6 | 105510352501321040 |
7 | 4101054011560635 |
oct | 436340277124560 |
9 | 76622483670786 |
10 | 19683885230448 |
11 | 62a998606697a |
12 | 225aa51406180 |
13 | aca24a9b693a |
14 | 4c09c2c3018c |
15 | 242052ab0783 |
hex | 11e702fca970 |
19683885230448 has 120 divisors (see below), whose sum is σ = 53266218327168. Its totient is φ = 6263130335616.
The previous prime is 19683885230417. The next prime is 19683885230497. The reversal of 19683885230448 is 84403258838691.
It is a Harshad number since it is a multiple of its sum of digits (69).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11570011 + ... + 13161797.
Almost surely, 219683885230448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19683885230448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26633109163584).
19683885230448 is an abundant number, since it is smaller than the sum of its proper divisors (33582333096720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19683885230448 is a wasteful number, since it uses less digits than its factorization.
19683885230448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1592331 (or 1592302 counting only the distinct ones).
The product of its (nonzero) digits is 318504960, while the sum is 69.
The spelling of 19683885230448 in words is "nineteen trillion, six hundred eighty-three billion, eight hundred eighty-five million, two hundred thirty thousand, four hundred forty-eight".
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