Base | Representation |
---|---|
bin | 1101101111100011001100… |
… | …00101000111101111011000 |
3 | 10222000002221121002011220020 |
4 | 12313301212011013233120 |
5 | 12430120304220404422 |
6 | 144135214405230440 |
7 | 6236255043631110 |
oct | 667614605075730 |
9 | 128002847064806 |
10 | 30221102513112 |
11 | 96a1774562735 |
12 | 3481076102420 |
13 | 13b2ab7686874 |
14 | 7669cdd48040 |
15 | 3761c0b9995c |
hex | 1b7c66147bd8 |
30221102513112 has 256 divisors, whose sum is σ = 92213030568960. Its totient is φ = 8056940396544.
The previous prime is 30221102513083. The next prime is 30221102513123. The reversal of 30221102513112 is 21131520112203.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161410383 + ... + 161597505.
It is an arithmetic number, because the mean of its divisors is an integer number (360207150660).
Almost surely, 230221102513112 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 30221102513112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46106515284480).
30221102513112 is an abundant number, since it is smaller than the sum of its proper divisors (61991928055848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30221102513112 is a wasteful number, since it uses less digits than its factorization.
30221102513112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187642 (or 187638 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 24.
Adding to 30221102513112 its reverse (21131520112203), we get a palindrome (51352622625315).
The spelling of 30221102513112 in words is "thirty trillion, two hundred twenty-one billion, one hundred two million, five hundred thirteen thousand, one hundred twelve".
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