Base | Representation |
---|---|
bin | 110010110000110000… |
… | …011111111010100101 |
3 | 12012200112222112101102 |
4 | 302300300133322211 |
5 | 1343111302024310 |
6 | 41012253405445 |
7 | 3636454541516 |
oct | 626060377245 |
9 | 165615875342 |
10 | 54505111205 |
11 | 2112a794856 |
12 | a691799885 |
13 | 51a8215abc |
14 | 28d0baaa0d |
15 | 16401428a5 |
hex | cb0c1fea5 |
54505111205 has 8 divisors (see below), whose sum is σ = 65444148504. Its totient is φ = 43578745600.
The previous prime is 54505111147. The next prime is 54505111217. The reversal of 54505111205 is 50211150545.
It can be written as a sum of positive squares in 4 ways, for example, as 4850565316 + 49654545889 = 69646^2 + 222833^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54505111205 - 214 = 54505094821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 3158456 + ... + 3175665.
It is an arithmetic number, because the mean of its divisors is an integer number (8180518563).
Almost surely, 254505111205 is an apocalyptic number.
It is an amenable number.
54505111205 is a deficient number, since it is larger than the sum of its proper divisors (10939037299).
54505111205 is a wasteful number, since it uses less digits than its factorization.
54505111205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6335847.
The product of its (nonzero) digits is 5000, while the sum is 29.
The spelling of 54505111205 in words is "fifty-four billion, five hundred five million, one hundred eleven thousand, two hundred five".
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