Base | Representation |
---|---|
bin | 10010001001010110… |
… | …010110111010101011 |
3 | 1212021212222100202101 |
4 | 102021112112322223 |
5 | 304400424140221 |
6 | 12541222114231 |
7 | 1256560020334 |
oct | 221126267253 |
9 | 55255870671 |
10 | 19484208811 |
11 | 8299367511 |
12 | 393927b977 |
13 | 1ab6884052 |
14 | d2b9bd28b |
15 | 790833d91 |
hex | 489596eab |
19484208811 has 8 divisors (see below), whose sum is σ = 19535515200. Its totient is φ = 19432931520.
The previous prime is 19484208797. The next prime is 19484208817. The reversal of 19484208811 is 11880248491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19484208811 - 27 = 19484208683 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19484208817) 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, 2111175 + ... + 2120383.
It is an arithmetic number, because the mean of its divisors is an integer number (2441939400).
Almost surely, 219484208811 is an apocalyptic number.
19484208811 is a deficient number, since it is larger than the sum of its proper divisors (51306389).
19484208811 is an equidigital number, since it uses as much as digits as its factorization.
19484208811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14549.
The product of its (nonzero) digits is 147456, while the sum is 46.
It can be divided in two parts, 1948420 and 8811, that added together give a triangular number (1957231 = T1978).
The spelling of 19484208811 in words is "nineteen billion, four hundred eighty-four million, two hundred eight thousand, eight hundred eleven".
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