Base | Representation |
---|---|
bin | 1101101001101100110011… |
… | …11111101001010010100110 |
3 | 10221021220011002021010111200 |
4 | 12310312121333221102212 |
5 | 12413322141131424430 |
6 | 143503014222543330 |
7 | 6215611212001233 |
oct | 664663177512246 |
9 | 127256132233450 |
10 | 30020110029990 |
11 | 9624503542253 |
12 | 344a122137b46 |
13 | 1399b6585ca92 |
14 | 75ada411478a |
15 | 370d5a52b460 |
hex | 1b4d99fe94a6 |
30020110029990 has 96 divisors (see below), whose sum is σ = 78201964620000. Its totient is φ = 7990013670912.
The previous prime is 30020110029989. The next prime is 30020110030013. The reversal of 30020110029990 is 9992001102003.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 774713136 + ... + 774751884.
It is an arithmetic number, because the mean of its divisors is an integer number (814603798125).
Almost surely, 230020110029990 is an apocalyptic number.
30020110029990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30020110029990 is an abundant number, since it is smaller than the sum of its proper divisors (48181854590010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020110029990 is a wasteful number, since it uses less digits than its factorization.
30020110029990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55046 (or 55043 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The spelling of 30020110029990 in words is "thirty trillion, twenty billion, one hundred ten million, twenty-nine thousand, nine hundred ninety".
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