Base | Representation |
---|---|
bin | 1101101100101000111011… |
… | …01010000100001011110100 |
3 | 10221122112211110202102010102 |
4 | 12312110131222010023310 |
5 | 12422001004410311200 |
6 | 144021235505213232 |
7 | 6226115005620011 |
oct | 666243552041364 |
9 | 127575743672112 |
10 | 30121103213300 |
11 | 9663319565700 |
12 | 3465808631218 |
13 | 13a653c060a48 |
14 | 761c2502a708 |
15 | 3737bba4c6d5 |
hex | 1b651da842f4 |
30121103213300 has 216 divisors, whose sum is σ = 72047141187840. Its totient is φ = 10922367456000.
The previous prime is 30121103213203. The next prime is 30121103213353. The reversal of 30121103213300 is 331230112103.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7932867002 + ... + 7932870798.
Almost surely, 230121103213300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30121103213300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36023570593920).
30121103213300 is an abundant number, since it is smaller than the sum of its proper divisors (41926037974540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121103213300 is a wasteful number, since it uses less digits than its factorization.
30121103213300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5503 (or 5485 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 30121103213300 its reverse (331230112103), we get a palindrome (30452333325403).
The spelling of 30121103213300 in words is "thirty trillion, one hundred twenty-one billion, one hundred three million, two hundred thirteen thousand, three hundred".
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