Base | Representation |
---|---|
bin | 1101101111100001101110… |
… | …00010001101010001111100 |
3 | 10222000000220120212221121011 |
4 | 12313300313002031101330 |
5 | 12430112200141021340 |
6 | 144135004212045004 |
7 | 6236226351020464 |
oct | 667606702152174 |
9 | 128000816787534 |
10 | 30220313220220 |
11 | 96a13a9a75262 |
12 | 3480a95903764 |
13 | 13b29bccb2356 |
14 | 7669571a8ba4 |
15 | 37617673a0ea |
hex | 1b7c3708d47c |
30220313220220 has 12 divisors (see below), whose sum is σ = 63462657762504. Its totient is φ = 12088125288080.
The previous prime is 30220313220217. The next prime is 30220313220221. The reversal of 30220313220220 is 2202231302203.
It is a super-2 number, since 2×302203132202202 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30220313220191 and 30220313220200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220313220221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755507830486 + ... + 755507830525.
It is an arithmetic number, because the mean of its divisors is an integer number (5288554813542).
Almost surely, 230220313220220 is an apocalyptic number.
It is an amenable number.
30220313220220 is an abundant number, since it is smaller than the sum of its proper divisors (33242344542284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30220313220220 is a wasteful number, since it uses less digits than its factorization.
30220313220220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1511015661020 (or 1511015661018 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30220313220220 its reverse (2202231302203), we get a palindrome (32422544522423).
The spelling of 30220313220220 in words is "thirty trillion, two hundred twenty billion, three hundred thirteen million, two hundred twenty thousand, two hundred twenty".
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