Base | Representation |
---|---|
bin | 11000100111111110… |
… | …11110110011000100 |
3 | 1021010100100100020222 |
4 | 30103333132303010 |
5 | 204033344411322 |
6 | 10023501043512 |
7 | 645416532314 |
oct | 142377366304 |
9 | 37110310228 |
10 | 13220310212 |
11 | 567457a80a |
12 | 268b556598 |
13 | 1328c1a685 |
14 | 8d5b17444 |
15 | 52596de42 |
hex | 313fdecc4 |
13220310212 has 24 divisors (see below), whose sum is σ = 23642080896. Its totient is φ = 6465600288.
The previous prime is 13220310203. The next prime is 13220310223. The reversal of 13220310212 is 21201302231.
It is a super-2 number, since 2×132203102122 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303518 + ... + 344330.
It is an arithmetic number, because the mean of its divisors is an integer number (985086704).
Almost surely, 213220310212 is an apocalyptic number.
It is an amenable number.
13220310212 is a deficient number, since it is larger than the sum of its proper divisors (10421770684).
13220310212 is a wasteful number, since it uses less digits than its factorization.
13220310212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42587 (or 42585 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 13220310212 its reverse (21201302231), we get a palindrome (34421612443).
The spelling of 13220310212 in words is "thirteen billion, two hundred twenty million, three hundred ten thousand, two hundred twelve".
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