Base | Representation |
---|---|
bin | 11011111100010100… |
… | …011100010100101101 |
3 | 2212102221222101112202 |
4 | 123330110130110231 |
5 | 442421233133401 |
6 | 21441100511245 |
7 | 2111334320504 |
oct | 337424342455 |
9 | 85387871482 |
10 | 30003021101 |
11 | 117a6a17909 |
12 | 5993b4b525 |
13 | 2aa1bb2231 |
14 | 16489d383b |
15 | ba902406b |
hex | 6fc51c52d |
30003021101 has 4 divisors (see below), whose sum is σ = 30294312672. Its totient is φ = 29711729532.
The previous prime is 30003021029. The next prime is 30003021107. The reversal of 30003021101 is 10112030003.
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, and also an emirpimes, since its reverse is a distinct semiprime: 10112030003 = 11119 ⋅909437.
It is a cyclic number.
It is not a de Polignac number, because 30003021101 - 210 = 30003020077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30003021107) 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, 145645631 + ... + 145645836.
It is an arithmetic number, because the mean of its divisors is an integer number (7573578168).
Almost surely, 230003021101 is an apocalyptic number.
It is an amenable number.
30003021101 is a deficient number, since it is larger than the sum of its proper divisors (291291571).
30003021101 is a wasteful number, since it uses less digits than its factorization.
30003021101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291291570.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 30003021101 its reverse (10112030003), we get a palindrome (40115051104).
The spelling of 30003021101 in words is "thirty billion, three million, twenty-one thousand, one hundred one".
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