Base | Representation |
---|---|
bin | 10001110100001001… |
… | …011000010010111101 |
3 | 1211101002121201111101 |
4 | 101310021120102331 |
5 | 303133343010203 |
6 | 12442033453101 |
7 | 1245010303666 |
oct | 216411302275 |
9 | 54332551441 |
10 | 19128485053 |
11 | 8126592a37 |
12 | 385a111191 |
13 | 1a5ac75812 |
14 | cd666236d |
15 | 76e4b941d |
hex | 4742584bd |
19128485053 has 2 divisors, whose sum is σ = 19128485054. Its totient is φ = 19128485052.
The previous prime is 19128485039. The next prime is 19128485063. The reversal of 19128485053 is 35058482191.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19010067129 + 118417924 = 137877^2 + 10882^2 .
It is a cyclic number.
It is not a de Polignac number, because 19128485053 - 221 = 19126387901 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19128484994 and 19128485012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19128485023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9564242526 + 9564242527.
It is an arithmetic number, because the mean of its divisors is an integer number (9564242527).
Almost surely, 219128485053 is an apocalyptic number.
It is an amenable number.
19128485053 is a deficient number, since it is larger than the sum of its proper divisors (1).
19128485053 is an equidigital number, since it uses as much as digits as its factorization.
19128485053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 345600, while the sum is 46.
The spelling of 19128485053 in words is "nineteen billion, one hundred twenty-eight million, four hundred eighty-five thousand, fifty-three".
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