Base | Representation |
---|---|
bin | 11011111100010100… |
… | …010111001011000001 |
3 | 2212102221221022121021 |
4 | 123330110113023001 |
5 | 442421232000001 |
6 | 21441100225441 |
7 | 2111334202132 |
oct | 337424271301 |
9 | 85387838537 |
10 | 30003000001 |
11 | 117a6a02a77 |
12 | 5993b3b281 |
13 | 2aa1ba5750 |
14 | 16489c9c89 |
15 | ba901cba1 |
hex | 6fc5172c1 |
30003000001 has 12 divisors (see below), whose sum is σ = 34323372412. Its totient is φ = 26065951488.
The previous prime is 30002999989. The next prime is 30003000007. The reversal of 30003000001 is 10000030003.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 3774873600 + 26228126401 = 61440^2 + 161951^2 .
It is a de Polignac number, because none of the positive numbers 2k-30003000001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30003000007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3989190 + ... + 3996703.
Almost surely, 230003000001 is an apocalyptic number.
It is an amenable number.
30003000001 is a deficient number, since it is larger than the sum of its proper divisors (4320372411).
30003000001 is a wasteful number, since it uses less digits than its factorization.
30003000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7985940 (or 7985923 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 7.
Adding to 30003000001 its reverse (10000030003), we get a palindrome (40003030004).
The spelling of 30003000001 in words is "thirty billion, three million, one", and thus it is an aban number and an uban number.
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