Base | Representation |
---|---|
bin | 1011111011111000010000… |
… | …0110001011010111101111 |
3 | 1201110120122012220211101101 |
4 | 2332332010012023113233 |
5 | 3210003100333114411 |
6 | 43524440232423531 |
7 | 2523062426353660 |
oct | 276760406132757 |
9 | 51416565824341 |
10 | 13123341301231 |
11 | 41aa63a048997 |
12 | 157b484547ba7 |
13 | 7426ab1859b5 |
14 | 33525d019367 |
15 | 17b57cb4c8c1 |
hex | bef8418b5ef |
13123341301231 has 16 divisors (see below), whose sum is σ = 16003745094400. Its totient is φ = 10510567708608.
The previous prime is 13123341301219. The next prime is 13123341301247. The reversal of 13123341301231 is 13210314332131.
It is a cyclic number.
It is not a de Polignac number, because 13123341301231 - 25 = 13123341301199 is a prime.
It is a super-2 number, since 2×131233413012312 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13123341301231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123341301831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675824121 + ... + 675843538.
It is an arithmetic number, because the mean of its divisors is an integer number (1000234068400).
Almost surely, 213123341301231 is an apocalyptic number.
13123341301231 is a deficient number, since it is larger than the sum of its proper divisors (2880403793169).
13123341301231 is a wasteful number, since it uses less digits than its factorization.
13123341301231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1351667758.
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 13123341301231 its reverse (13210314332131), we get a palindrome (26333655633362).
The spelling of 13123341301231 in words is "thirteen trillion, one hundred twenty-three billion, three hundred forty-one million, three hundred one thousand, two hundred thirty-one".
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