Base | Representation |
---|---|
bin | 11000101001001000… |
… | …11111001010001111 |
3 | 1021011000121012021021 |
4 | 30110210133022033 |
5 | 204043340323043 |
6 | 10024445015011 |
7 | 645565144465 |
oct | 142444371217 |
9 | 37130535237 |
10 | 13230011023 |
11 | 5679aa6109 |
12 | 2692854467 |
13 | 132ac35cb8 |
14 | 8d7120835 |
15 | 5267383ed |
hex | 31491f28f |
13230011023 has 4 divisors (see below), whose sum is σ = 13232278800. Its totient is φ = 13227743248.
The previous prime is 13230010991. The next prime is 13230011063. The reversal of 13230011023 is 32011003231.
13230011023 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 an emirpimes, since its reverse is a distinct semiprime: 32011003231 = 65293 ⋅490267.
It is a cyclic number.
It is not a de Polignac number, because 13230011023 - 25 = 13230010991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13230010988 and 13230011006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13230011063) 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, 1125115 + ... + 1136812.
It is an arithmetic number, because the mean of its divisors is an integer number (3308069700).
Almost surely, 213230011023 is an apocalyptic number.
13230011023 is a deficient number, since it is larger than the sum of its proper divisors (2267777).
13230011023 is an equidigital number, since it uses as much as digits as its factorization.
13230011023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2267776.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13230011023 its reverse (32011003231), we get a palindrome (45241014254).
The spelling of 13230011023 in words is "thirteen billion, two hundred thirty million, eleven thousand, twenty-three".
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