Base | Representation |
---|---|
bin | 11011111100010100… |
… | …010110100110100100 |
3 | 2212102221221012101212 |
4 | 123330110112212210 |
5 | 442421231411133 |
6 | 21441100210552 |
7 | 2111334162260 |
oct | 337424264644 |
9 | 85387835355 |
10 | 30002997668 |
11 | 117a6a01246 |
12 | 5993b39a58 |
13 | 2aa1ba4677 |
14 | 16489c90a0 |
15 | ba901c148 |
hex | 6fc5169a4 |
30002997668 has 12 divisors (see below), whose sum is σ = 60005995392. Its totient is φ = 12858427560.
The previous prime is 30002997613. The next prime is 30002997697. The reversal of 30002997668 is 86679920003.
30002997668 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535767788 + ... + 535767843.
It is an arithmetic number, because the mean of its divisors is an integer number (5000499616).
Almost surely, 230002997668 is an apocalyptic number.
It is an amenable number.
30002997668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30002997668 is a wasteful number, since it uses less digits than its factorization.
30002997668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1071535642 (or 1071535640 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 50.
The spelling of 30002997668 in words is "thirty billion, two million, nine hundred ninety-seven thousand, six hundred sixty-eight".
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