| Base | Representation |
|---|---|
| bin | 11000101000100100… |
| … | …01111111010110001 |
| 3 | 1021010200121021221101 |
| 4 | 30110102033322301 |
| 5 | 204041124330001 |
| 6 | 10024154324401 |
| 7 | 645506412604 |
| oct | 142422177261 |
| 9 | 37120537841 |
| 10 | 13225230001 |
| 11 | 5677330055 |
| 12 | 2691129701 |
| 13 | 1329c50aa9 |
| 14 | 8d663833b |
| 15 | 5260e1a01 |
| hex | 31448feb1 |
13225230001 has 3 divisors (see below), whose sum is σ = 13225345003. Its totient is φ = 13225115000.
The previous prime is 13225229987. The next prime is 13225230037. The reversal of 13225230001 is 10003252231.
The square root of 13225230001 is 115001.
It is a perfect power (a square), and thus also a powerful number.
13225230001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10003252231 = 7 ⋅1429036033.
It can be written as a sum of positive squares in only one way, i.e., 4070567601 + 9154662400 = 63801^2 + 95680^2 .
It is not a de Polignac number, because 13225230001 - 27 = 13225229873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13225230061) by changing a digit.
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 2 ways as a sum of consecutive naturals, for example, 57501 + ... + 172501.
Almost surely, 213225230001 is an apocalyptic number.
13225230001 is the 115001-st square number.
13225230001 is the 57501-st centered octagonal number.
It is an amenable number.
13225230001 is a deficient number, since it is larger than the sum of its proper divisors (115002).
13225230001 is an frugal number, since it uses more digits than its factorization.
13225230001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230002 (or 115001 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
Adding to 13225230001 its reverse (10003252231), we get a palindrome (23228482232).
The spelling of 13225230001 in words is "thirteen billion, two hundred twenty-five million, two hundred thirty thousand, one".
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