Base | Representation |
---|---|
bin | 11000100101101111… |
… | …00010100011011001 |
3 | 1021002000212012120222 |
4 | 30102313202203121 |
5 | 204014032414400 |
6 | 10021544525425 |
7 | 645100324664 |
oct | 142267424331 |
9 | 37060765528 |
10 | 13201451225 |
11 | 5664969776 |
12 | 2685180875 |
13 | 1325046701 |
14 | 8d34086db |
15 | 523e96185 |
hex | 312de28d9 |
13201451225 has 6 divisors (see below), whose sum is σ = 16369799550. Its totient is φ = 10561160960.
The previous prime is 13201451189. The next prime is 13201451267. The reversal of 13201451225 is 52215410231.
13201451225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 494751049 + 12706700176 = 22243^2 + 112724^2 .
It is not a de Polignac number, because 13201451225 - 218 = 13201189081 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13201451194 and 13201451203.
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 5 ways as a sum of consecutive naturals, for example, 264029000 + ... + 264029049.
It is an arithmetic number, because the mean of its divisors is an integer number (2728299925).
Almost surely, 213201451225 is an apocalyptic number.
It is an amenable number.
13201451225 is a deficient number, since it is larger than the sum of its proper divisors (3168348325).
13201451225 is an equidigital number, since it uses as much as digits as its factorization.
13201451225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 528058059 (or 528058054 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 26.
Adding to 13201451225 its reverse (52215410231), we get a palindrome (65416861456).
The spelling of 13201451225 in words is "thirteen billion, two hundred one million, four hundred fifty-one thousand, two hundred twenty-five".
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