Base | Representation |
---|---|
bin | 11000100111111100… |
… | …11010011100001111 |
3 | 1021010022211010012000 |
4 | 30103332122130033 |
5 | 204033311431343 |
6 | 10023451043343 |
7 | 645414255111 |
oct | 142376323417 |
9 | 37108733160 |
10 | 13220030223 |
11 | 56743a9414 |
12 | 268b440553 |
13 | 1328b500ba |
14 | 8d5a833b1 |
15 | 525915ed3 |
hex | 313f9a70f |
13220030223 has 8 divisors (see below), whose sum is σ = 19585230000. Its totient is φ = 8813353464.
The previous prime is 13220030207. The next prime is 13220030293. The reversal of 13220030223 is 32203002231.
It is a happy number.
It is not a de Polignac number, because 13220030223 - 24 = 13220030207 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13220030196 and 13220030205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220030293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244815348 + ... + 244815401.
It is an arithmetic number, because the mean of its divisors is an integer number (2448153750).
Almost surely, 213220030223 is an apocalyptic number.
13220030223 is a deficient number, since it is larger than the sum of its proper divisors (6365199777).
13220030223 is an equidigital number, since it uses as much as digits as its factorization.
13220030223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489630758 (or 489630752 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 13220030223 its reverse (32203002231), we get a palindrome (45423032454).
The spelling of 13220030223 in words is "thirteen billion, two hundred twenty million, thirty thousand, two hundred twenty-three".
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