Base | Representation |
---|---|
bin | 1011111011111000000111… |
… | …1101010100000010100101 |
3 | 1201110120112201102000201111 |
4 | 2332332001331110002211 |
5 | 3210003012142014023 |
6 | 43524432511425021 |
7 | 2523061512403522 |
oct | 276760175240245 |
9 | 51416481360644 |
10 | 13123305423013 |
11 | 41aa620873075 |
12 | 157b474525171 |
13 | 7426a3903296 |
14 | 33525835a149 |
15 | 17b57991200d |
hex | bef81f540a5 |
13123305423013 has 8 divisors (see below), whose sum is σ = 13133499152256. Its totient is φ = 13113115620000.
The previous prime is 13123305422933. The next prime is 13123305423047. The reversal of 13123305423013 is 31032450332131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13123305423013 - 233 = 13114715488421 is a prime.
It is a super-2 number, since 2×131233054230132 (a number of 27 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 (13123305423413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5723745 + ... + 7681657.
It is an arithmetic number, because the mean of its divisors is an integer number (1641687394032).
Almost surely, 213123305423013 is an apocalyptic number.
It is an amenable number.
13123305423013 is a deficient number, since it is larger than the sum of its proper divisors (10193729243).
13123305423013 is a wasteful number, since it uses less digits than its factorization.
13123305423013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1963115.
The product of its (nonzero) digits is 19440, while the sum is 31.
Adding to 13123305423013 its reverse (31032450332131), we get a palindrome (44155755755144).
The spelling of 13123305423013 in words is "thirteen trillion, one hundred twenty-three billion, three hundred five million, four hundred twenty-three thousand, thirteen".
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