Base | Representation |
---|---|
bin | 10011000100111101101… |
… | …100001110110000001111 |
3 | 11122022220211211212220221 |
4 | 103010331230032300033 |
5 | 132434412001431343 |
6 | 2442133132252211 |
7 | 163500542251342 |
oct | 23047554166017 |
9 | 4568824755827 |
10 | 1311000030223 |
11 | 465aa0380764 |
12 | 1920b7311067 |
13 | 9681c032770 |
14 | 4764a466459 |
15 | 2417e9bd5ed |
hex | 1313db0ec0f |
1311000030223 has 16 divisors (see below), whose sum is σ = 1415679711040. Its totient is φ = 1206869601024.
The previous prime is 1311000030209. The next prime is 1311000030239. The reversal of 1311000030223 is 3220300001131.
It is a cyclic number.
It is not a de Polignac number, because 1311000030223 - 29 = 1311000029711 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1311000030197 and 1311000030206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311000030253) 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, 20933665 + ... + 20996197.
It is an arithmetic number, because the mean of its divisors is an integer number (88479981940).
Almost surely, 21311000030223 is an apocalyptic number.
1311000030223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1311000030223 is a deficient number, since it is larger than the sum of its proper divisors (104679680817).
1311000030223 is a wasteful number, since it uses less digits than its factorization.
1311000030223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66898.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 1311000030223 its reverse (3220300001131), we get a palindrome (4531300031354).
The spelling of 1311000030223 in words is "one trillion, three hundred eleven billion, thirty thousand, two hundred twenty-three".
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