Base | Representation |
---|---|
bin | 10001110000001110111… |
… | …000000111000110000101 |
3 | 11022122002022102211122000 |
4 | 101300032320013012011 |
5 | 124442100144132323 |
6 | 2332245233055513 |
7 | 154100145315036 |
oct | 21601670070605 |
9 | 4278068384560 |
10 | 1220020302213 |
11 | 4304537224a9 |
12 | 1785463b7599 |
13 | 8b08025048b |
14 | 430993b6a8d |
15 | 21b07616e43 |
hex | 11c0ee07185 |
1220020302213 has 64 divisors (see below), whose sum is σ = 1849612320000. Its totient is φ = 794556628992.
The previous prime is 1220020302211. The next prime is 1220020302229. The reversal of 1220020302213 is 3122030200221.
It is not a de Polignac number, because 1220020302213 - 21 = 1220020302211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220020302211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183817731 + ... + 183824367.
It is an arithmetic number, because the mean of its divisors is an integer number (28900192500).
Almost surely, 21220020302213 is an apocalyptic number.
It is an amenable number.
1220020302213 is a deficient number, since it is larger than the sum of its proper divisors (629592017787).
1220020302213 is a wasteful number, since it uses less digits than its factorization.
1220020302213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7411 (or 7405 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 1220020302213 its reverse (3122030200221), we get a palindrome (4342050502434).
The spelling of 1220020302213 in words is "one trillion, two hundred twenty billion, twenty million, three hundred two thousand, two hundred thirteen".
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