Base | Representation |
---|---|
bin | 10001101111101100… |
… | …000011011011101010 |
3 | 1211011212212122222200 |
4 | 101233230003123222 |
5 | 303010221013204 |
6 | 12430402401030 |
7 | 1243111452255 |
oct | 215754033352 |
9 | 54155778880 |
10 | 19053688554 |
11 | 809834624a |
12 | 3839060176 |
13 | 1a48617a34 |
14 | cca75209c |
15 | 767b42539 |
hex | 46fb036ea |
19053688554 has 12 divisors (see below), whose sum is σ = 41282991906. Its totient is φ = 6351229512.
The previous prime is 19053688529. The next prime is 19053688559. The reversal of 19053688554 is 45588635091.
19053688554 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 3 + 6 + 88 + 554 = 666.
It can be written as a sum of positive squares in only one way, i.e., 10603850625 + 8449837929 = 102975^2 + 91923^2 .
It is a super-2 number, since 2×190536885542 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 19053688554.
It is not an unprimeable number, because it can be changed into a prime (19053688559) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529269109 + ... + 529269144.
Almost surely, 219053688554 is an apocalyptic number.
19053688554 is an abundant number, since it is smaller than the sum of its proper divisors (22229303352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19053688554 is a wasteful number, since it uses less digits than its factorization.
19053688554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1058538261 (or 1058538258 counting only the distinct ones).
The product of its (nonzero) digits is 5184000, while the sum is 54.
The spelling of 19053688554 in words is "nineteen billion, fifty-three million, six hundred eighty-eight thousand, five hundred fifty-four".
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