Base | Representation |
---|---|
bin | 110001011101101100… |
… | …011010001011110001 |
3 | 12002002102201021200001 |
4 | 301131230122023301 |
5 | 1332233022431400 |
6 | 40222112230001 |
7 | 3560103362305 |
oct | 613554321361 |
9 | 162072637601 |
10 | 53111530225 |
11 | 2058508a836 |
12 | a362b3b301 |
13 | 50155a3c80 |
14 | 27dba89d05 |
15 | 15acb19a6a |
hex | c5db1a2f1 |
53111530225 has 12 divisors (see below), whose sum is σ = 70924320796. Its totient is φ = 39220822080.
The previous prime is 53111530223. The next prime is 53111530247. The reversal of 53111530225 is 52203511135.
It can be written as a sum of positive squares in 6 ways, for example, as 18919452304 + 34192077921 = 137548^2 + 184911^2 .
It is not a de Polignac number, because 53111530225 - 21 = 53111530223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53111530193 and 53111530202.
It is not an unprimeable number, because it can be changed into a prime (53111530223) 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 11 ways as a sum of consecutive naturals, for example, 81709722 + ... + 81710371.
Almost surely, 253111530225 is an apocalyptic number.
It is an amenable number.
53111530225 is a deficient number, since it is larger than the sum of its proper divisors (17812790571).
53111530225 is a wasteful number, since it uses less digits than its factorization.
53111530225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163420116 (or 163420111 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 28.
The spelling of 53111530225 in words is "fifty-three billion, one hundred eleven million, five hundred thirty thousand, two hundred twenty-five".
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