Base | Representation |
---|---|
bin | 11000010001011010… |
… | …10111001011011001 |
3 | 1020122011010221121021 |
4 | 30020231113023121 |
5 | 203141414323113 |
6 | 5553015442441 |
7 | 640630523545 |
oct | 141055271331 |
9 | 36564127537 |
10 | 13031011033 |
11 | 5587736507 |
12 | 2638086421 |
13 | 12c893bc21 |
14 | 8b891ca25 |
15 | 51402a48d |
hex | 308b572d9 |
13031011033 has 4 divisors (see below), whose sum is σ = 13031254528. Its totient is φ = 13030767540.
The previous prime is 13031011009. The next prime is 13031011043. The reversal of 13031011033 is 33011013031.
13031011033 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 Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13031011033 - 229 = 12494140121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13031010998 and 13031011016.
It is not an unprimeable number, because it can be changed into a prime (13031011043) 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 3 ways as a sum of consecutive naturals, for example, 2613 + ... + 161458.
It is an arithmetic number, because the mean of its divisors is an integer number (3257813632).
Almost surely, 213031011033 is an apocalyptic number.
It is an amenable number.
13031011033 is a deficient number, since it is larger than the sum of its proper divisors (243495).
13031011033 is an equidigital number, since it uses as much as digits as its factorization.
13031011033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243494.
The product of its (nonzero) digits is 81, while the sum is 16.
Adding to 13031011033 its reverse (33011013031), we get a palindrome (46042024064).
The spelling of 13031011033 in words is "thirteen billion, thirty-one million, eleven thousand, thirty-three".
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