Base | Representation |
---|---|
bin | 1011111100010101101001… |
… | …0011111100101111000111 |
3 | 1201111100000000021112220211 |
4 | 2333011122103330233013 |
5 | 3210120224412442243 |
6 | 43532223123140251 |
7 | 2523462061046035 |
oct | 277053223745707 |
9 | 51440000245824 |
10 | 13131230202823 |
11 | 4202a18134477 |
12 | 1580b06514687 |
13 | 74336769a7c5 |
14 | 3357aaa43555 |
15 | 17b8904eed9d |
hex | bf15a4fcbc7 |
13131230202823 has 2 divisors, whose sum is σ = 13131230202824. Its totient is φ = 13131230202822.
The previous prime is 13131230202821. The next prime is 13131230202847. The reversal of 13131230202823 is 32820203213131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13131230202823 - 21 = 13131230202821 is a prime.
Together with 13131230202821, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13131230202821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565615101411 + 6565615101412.
It is an arithmetic number, because the mean of its divisors is an integer number (6565615101412).
Almost surely, 213131230202823 is an apocalyptic number.
13131230202823 is a deficient number, since it is larger than the sum of its proper divisors (1).
13131230202823 is an equidigital number, since it uses as much as digits as its factorization.
13131230202823 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
Adding to 13131230202823 its reverse (32820203213131), we get a palindrome (45951433415954).
The spelling of 13131230202823 in words is "thirteen trillion, one hundred thirty-one billion, two hundred thirty million, two hundred two thousand, eight hundred twenty-three".
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