Base | Representation |
---|---|
bin | 11000110011110111… |
… | …11000100001111011 |
3 | 1021101021222122112201 |
4 | 30121323320201323 |
5 | 204234411432311 |
6 | 10041422251031 |
7 | 651040250446 |
oct | 143173704173 |
9 | 37337878481 |
10 | 13320030331 |
11 | 571589aa33 |
12 | 26b8a26a77 |
13 | 134379396a |
14 | 90507465d |
15 | 52e5ba9c1 |
hex | 319ef887b |
13320030331 has 16 divisors (see below), whose sum is σ = 13786288128. Its totient is φ = 12862376800.
The previous prime is 13320030329. The next prime is 13320030371. The reversal of 13320030331 is 13303002331.
It is a cyclic number.
It is not a de Polignac number, because 13320030331 - 21 = 13320030329 is a prime.
It is a super-2 number, since 2×133200303312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13320030299 and 13320030308.
It is not an unprimeable number, because it can be changed into a prime (13320030371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431926 + ... + 2437396.
It is an arithmetic number, because the mean of its divisors is an integer number (861643008).
Almost surely, 213320030331 is an apocalyptic number.
13320030331 is a deficient number, since it is larger than the sum of its proper divisors (466257797).
13320030331 is an equidigital number, since it uses as much as digits as its factorization.
13320030331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6242.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 13320030331 its reverse (13303002331), we get a palindrome (26623032662).
The spelling of 13320030331 in words is "thirteen billion, three hundred twenty million, thirty thousand, three hundred thirty-one".
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