Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11100000111100111 |
3 | 1021221000100021122111 |
4 | 30212201130013213 |
5 | 210202441431043 |
6 | 10114404341451 |
7 | 656213214403 |
oct | 144641340747 |
9 | 37830307574 |
10 | 13531202023 |
11 | 5814013399 |
12 | 27576a4887 |
13 | 137845cc21 |
14 | 925124103 |
15 | 542dd009d |
hex | 32685c1e7 |
13531202023 has 4 divisors (see below), whose sum is σ = 13536127000. Its totient is φ = 13526277048.
The previous prime is 13531201951. The next prime is 13531202029. The reversal of 13531202023 is 32020213531.
13531202023 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 13531202023 - 213 = 13531193831 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13531201985 and 13531202003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531202029) 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, 2458365 + ... + 2463862.
It is an arithmetic number, because the mean of its divisors is an integer number (3384031750).
Almost surely, 213531202023 is an apocalyptic number.
13531202023 is a deficient number, since it is larger than the sum of its proper divisors (4924977).
13531202023 is an equidigital number, since it uses as much as digits as its factorization.
13531202023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4924976.
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 13531202023 its reverse (32020213531), we get a palindrome (45551415554).
The spelling of 13531202023 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, twenty-three".
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