Base | Representation |
---|---|
bin | 11011111101100001… |
… | …001001101110010001 |
3 | 2212111100211000202211 |
4 | 123331201021232101 |
5 | 442441410130001 |
6 | 21443055512121 |
7 | 2112000252154 |
oct | 337541115621 |
9 | 85440730684 |
10 | 30023130001 |
11 | 11807301a37 |
12 | 599a828641 |
13 | 2aa61030a7 |
14 | 164b549c9b |
15 | baab97351 |
hex | 6fd849b91 |
30023130001 has 4 divisors (see below), whose sum is σ = 30024000000. Its totient is φ = 30022260004.
The previous prime is 30023129989. The next prime is 30023130029. The reversal of 30023130001 is 10003132003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30023130001 - 215 = 30023097233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30023130031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381001 + ... + 452998.
It is an arithmetic number, because the mean of its divisors is an integer number (7506000000).
Almost surely, 230023130001 is an apocalyptic number.
It is an amenable number.
30023130001 is a deficient number, since it is larger than the sum of its proper divisors (869999).
30023130001 is an equidigital number, since it uses as much as digits as its factorization.
30023130001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 869998.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30023130001 its reverse (10003132003), we get a palindrome (40026262004).
The spelling of 30023130001 in words is "thirty billion, twenty-three million, one hundred thirty thousand, one".
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