Base | Representation |
---|---|
bin | 11000001110000110… |
… | …10011111001011011 |
3 | 1020120012211112012122 |
4 | 30013003103321123 |
5 | 203112310212311 |
6 | 5550143531455 |
7 | 640142315126 |
oct | 140703237133 |
9 | 36505745178 |
10 | 13003210331 |
11 | 5572a78421 |
12 | 262a8b9b8b |
13 | 12c2c56cc7 |
14 | 8b4d633bd |
15 | 5118880db |
hex | 3070d3e5b |
13003210331 has 4 divisors (see below), whose sum is σ = 13006195032. Its totient is φ = 13000225632.
The previous prime is 13003210309. The next prime is 13003210349. The reversal of 13003210331 is 13301230031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13003210331 - 26 = 13003210267 is a prime.
It is a super-2 number, since 2×130032103312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13003210351) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485806 + ... + 1494531.
It is an arithmetic number, because the mean of its divisors is an integer number (3251548758).
Almost surely, 213003210331 is an apocalyptic number.
13003210331 is a deficient number, since it is larger than the sum of its proper divisors (2984701).
13003210331 is an equidigital number, since it uses as much as digits as its factorization.
13003210331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2984700.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 13003210331 its reverse (13301230031), we get a palindrome (26304440362).
The spelling of 13003210331 in words is "thirteen billion, three million, two hundred ten thousand, three hundred thirty-one".
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