Base | Representation |
---|---|
bin | 110010110001100010… |
… | …100011111100100111 |
3 | 12012201110200021201220 |
4 | 302301202203330213 |
5 | 1343123132004134 |
6 | 41013442551423 |
7 | 3640004231211 |
oct | 626142437447 |
9 | 165643607656 |
10 | 54518234919 |
11 | 211371388a5 |
12 | a696068573 |
13 | 51aab5c405 |
14 | 28d28255b1 |
15 | 1641386149 |
hex | cb18a3f27 |
54518234919 has 8 divisors (see below), whose sum is σ = 72692094720. Its totient is φ = 36344932536.
The previous prime is 54518234917. The next prime is 54518235019. The reversal of 54518234919 is 91943281545.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54518234919 - 21 = 54518234917 is a prime.
It is a super-2 number, since 2×545182349192 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54518234917) 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 7 ways as a sum of consecutive naturals, for example, 224812 + ... + 399470.
It is an arithmetic number, because the mean of its divisors is an integer number (9086511840).
Almost surely, 254518234919 is an apocalyptic number.
54518234919 is a deficient number, since it is larger than the sum of its proper divisors (18173859801).
54518234919 is a wasteful number, since it uses less digits than its factorization.
54518234919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278709.
The product of its digits is 1555200, while the sum is 51.
The spelling of 54518234919 in words is "fifty-four billion, five hundred eighteen million, two hundred thirty-four thousand, nine hundred nineteen".
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