Base | Representation |
---|---|
bin | 10001101111101110… |
… | …000110111111111111 |
3 | 1211011220220001012222 |
4 | 101233232012333333 |
5 | 303010340234310 |
6 | 12430422115555 |
7 | 1243116155354 |
oct | 215756067777 |
9 | 54156801188 |
10 | 19054227455 |
11 | 809868411a |
12 | 383927bbbb |
13 | 1a48776103 |
14 | cca85262b |
15 | 767bec055 |
hex | 46fb86fff |
19054227455 has 12 divisors (see below), whose sum is σ = 23436370056. Its totient is φ = 14871585600.
The previous prime is 19054227391. The next prime is 19054227481. The reversal of 19054227455 is 55472245091.
It is not a de Polignac number, because 19054227455 - 26 = 19054227391 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1125101 + ... + 1141910.
It is an arithmetic number, because the mean of its divisors is an integer number (1953030838).
Almost surely, 219054227455 is an apocalyptic number.
19054227455 is a deficient number, since it is larger than the sum of its proper divisors (4382142601).
19054227455 is an equidigital number, since it uses as much as digits as its factorization.
19054227455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2267098 (or 2267057 counting only the distinct ones).
The product of its (nonzero) digits is 504000, while the sum is 44.
The spelling of 19054227455 in words is "nineteen billion, fifty-four million, two hundred twenty-seven thousand, four hundred fifty-five".
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