Base | Representation |
---|---|
bin | 11000010001010101… |
… | …01110111010101010 |
3 | 1020122002211221012101 |
4 | 30020222232322222 |
5 | 203141230244314 |
6 | 5552553004014 |
7 | 640621623325 |
oct | 141052567252 |
9 | 36562757171 |
10 | 13030321834 |
11 | 5587305722 |
12 | 26379b360a |
13 | 12c875a30a |
14 | 8b87bd7bc |
15 | 513e41174 |
hex | 308aaeeaa |
13030321834 has 4 divisors (see below), whose sum is σ = 19545482754. Its totient is φ = 6515160916.
The previous prime is 13030321831. The next prime is 13030321849. The reversal of 13030321834 is 43812303031.
13030321834 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.
It can be written as a sum of positive squares in only one way, i.e., 12720456225 + 309865609 = 112785^2 + 17603^2 .
It is a super-3 number, since 3×130303218343 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (13030321831) 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 as a sum of consecutive naturals, namely, 3257580457 + ... + 3257580460.
Almost surely, 213030321834 is an apocalyptic number.
13030321834 is a deficient number, since it is larger than the sum of its proper divisors (6515160920).
13030321834 is an equidigital number, since it uses as much as digits as its factorization.
13030321834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6515160919.
The product of its (nonzero) digits is 5184, while the sum is 28.
Adding to 13030321834 its reverse (43812303031), we get a palindrome (56842624865).
The spelling of 13030321834 in words is "thirteen billion, thirty million, three hundred twenty-one thousand, eight hundred thirty-four".
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