Base | Representation |
---|---|
bin | 11011111100010000… |
… | …100011100110001000 |
3 | 2212102220001122000211 |
4 | 123330100203212020 |
5 | 442421003033222 |
6 | 21441023010504 |
7 | 2111322545332 |
oct | 337420434610 |
9 | 85386048024 |
10 | 30002002312 |
11 | 117a6391437 |
12 | 5993739a34 |
13 | 2aa19165b9 |
14 | 164880a452 |
15 | ba8dc2277 |
hex | 6fc423988 |
30002002312 has 16 divisors (see below), whose sum is σ = 57561981840. Its totient is φ = 14652140496.
The previous prime is 30002002279. The next prime is 30002002313. The reversal of 30002002312 is 21320020003.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30002002292 and 30002002301.
It is not an unprimeable number, because it can be changed into a prime (30002002313) 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, 43607218 + ... + 43607905.
It is an arithmetic number, because the mean of its divisors is an integer number (3597623865).
Almost surely, 230002002312 is an apocalyptic number.
It is an amenable number.
30002002312 is a deficient number, since it is larger than the sum of its proper divisors (27559979528).
30002002312 is a wasteful number, since it uses less digits than its factorization.
30002002312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87215172 (or 87215168 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 30002002312 its reverse (21320020003), we get a palindrome (51322022315).
The spelling of 30002002312 in words is "thirty billion, two million, two thousand, three hundred twelve".
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