Base | Representation |
---|---|
bin | 110010110000110000… |
… | …110011011010011101 |
3 | 12012200120010120221100 |
4 | 302300300303122131 |
5 | 1343111312103234 |
6 | 41012255223313 |
7 | 3636455323410 |
oct | 626060633235 |
9 | 165616116840 |
10 | 54505191069 |
11 | 2112a83985a |
12 | a691817b39 |
13 | 51a8243264 |
14 | 28d0bcbb77 |
15 | 164015b399 |
hex | cb0c3369d |
54505191069 has 96 divisors (see below), whose sum is σ = 93709451264. Its totient is φ = 29883168000.
The previous prime is 54505191049. The next prime is 54505191077. The reversal of 54505191069 is 96019150545.
It is a happy number.
54505191069 is a `hidden beast` number, since 5 + 450 + 5 + 191 + 0 + 6 + 9 = 666.
54505191069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 54505191069 - 213 = 54505182877 is a prime.
It is a super-2 number, since 2×545051910692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54505191029) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72576444 + ... + 72577194.
Almost surely, 254505191069 is an apocalyptic number.
It is an amenable number.
54505191069 is a deficient number, since it is larger than the sum of its proper divisors (39204260195).
54505191069 is a wasteful number, since it uses less digits than its factorization.
54505191069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1247 (or 1244 counting only the distinct ones).
The product of its (nonzero) digits is 243000, while the sum is 45.
The spelling of 54505191069 in words is "fifty-four billion, five hundred five million, one hundred ninety-one thousand, sixty-nine".
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