Base | Representation |
---|---|
bin | 11000010001010100… |
… | …10011101010110111 |
3 | 1020122002122021002221 |
4 | 30020222103222313 |
5 | 203141213211411 |
6 | 5552550343211 |
7 | 640620650053 |
oct | 141052235267 |
9 | 36562567087 |
10 | 13030210231 |
11 | 5587239895 |
12 | 263795ab07 |
13 | 12c871b58c |
14 | 8b8790c63 |
15 | 513e1d071 |
hex | 308a93ab7 |
13030210231 has 4 divisors (see below), whose sum is σ = 13033802464. Its totient is φ = 13026618000.
The previous prime is 13030210211. The next prime is 13030210243. The reversal of 13030210231 is 13201203031.
13030210231 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 is a cyclic number.
It is not a de Polignac number, because 13030210231 - 27 = 13030210103 is a prime.
It is a super-2 number, since 2×130302102312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13030210211) 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, 1790670 + ... + 1797931.
It is an arithmetic number, because the mean of its divisors is an integer number (3258450616).
Almost surely, 213030210231 is an apocalyptic number.
13030210231 is a deficient number, since it is larger than the sum of its proper divisors (3592233).
13030210231 is an equidigital number, since it uses as much as digits as its factorization.
13030210231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3592232.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13030210231 its reverse (13201203031), we get a palindrome (26231413262).
The spelling of 13030210231 in words is "thirteen billion, thirty million, two hundred ten thousand, two hundred thirty-one".
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