Base | Representation |
---|---|
bin | 10001000101101011… |
… | …011100110000001111 |
3 | 1202100202200001002110 |
4 | 101011223130300033 |
5 | 300034303341210 |
6 | 12232424155103 |
7 | 1216462652352 |
oct | 210553346017 |
9 | 52322601073 |
10 | 18348887055 |
11 | 7866517474 |
12 | 3681008a93 |
13 | 19655b7025 |
14 | c60cc8299 |
15 | 725d22420 |
hex | 445adcc0f |
18348887055 has 8 divisors (see below), whose sum is σ = 29358219312. Its totient is φ = 9786073088.
The previous prime is 18348887009. The next prime is 18348887069. The reversal of 18348887055 is 55078884381.
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 18348887055 - 26 = 18348886991 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18348886986 and 18348887004.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611629554 + ... + 611629583.
It is an arithmetic number, because the mean of its divisors is an integer number (3669777414).
Almost surely, 218348887055 is an apocalyptic number.
18348887055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
18348887055 is a deficient number, since it is larger than the sum of its proper divisors (11009332257).
18348887055 is a wasteful number, since it uses less digits than its factorization.
18348887055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1223259145.
The product of its (nonzero) digits is 8601600, while the sum is 57.
The spelling of 18348887055 in words is "eighteen billion, three hundred forty-eight million, eight hundred eighty-seven thousand, fifty-five".
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