Base | Representation |
---|---|
bin | 10010000101110010… |
… | …011111010010000101 |
3 | 1212010201120112100001 |
4 | 102011302133102011 |
5 | 304240131133440 |
6 | 12531245521301 |
7 | 1255233210151 |
oct | 220562372205 |
9 | 55121515301 |
10 | 19424474245 |
11 | 8268678000 |
12 | 3921273231 |
13 | 1aa739ab57 |
14 | d23ab0061 |
15 | 78a484b9a |
hex | 485c9f485 |
19424474245 has 16 divisors (see below), whose sum is σ = 25638563520. Its totient is φ = 14126885520.
The previous prime is 19424474207. The next prime is 19424474263. The reversal of 19424474245 is 54247442491.
It is not a de Polignac number, because 19424474245 - 229 = 18887603333 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19424474195 and 19424474204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452735 + ... + 1466044.
It is an arithmetic number, because the mean of its divisors is an integer number (1602410220).
Almost surely, 219424474245 is an apocalyptic number.
It is an amenable number.
19424474245 is a deficient number, since it is larger than the sum of its proper divisors (6214089275).
19424474245 is an equidigital number, since it uses as much as digits as its factorization.
19424474245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2918817 (or 2918795 counting only the distinct ones).
The product of its digits is 1290240, while the sum is 46.
The spelling of 19424474245 in words is "nineteen billion, four hundred twenty-four million, four hundred seventy-four thousand, two hundred forty-five".
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