Base | Representation |
---|---|
bin | 11011111101011001… |
… | …110011000010111111 |
3 | 2212111020012002012111 |
4 | 123331121303002333 |
5 | 442440411431421 |
6 | 21442550314451 |
7 | 2111645002405 |
oct | 337531630277 |
9 | 85436162174 |
10 | 30021202111 |
11 | 1180620553a |
12 | 599a058a27 |
13 | 2aa58a9724 |
14 | 164b1a7475 |
15 | baa915ee1 |
hex | 6fd6730bf |
30021202111 has 8 divisors (see below), whose sum is σ = 32975233920. Its totient is φ = 27204567192.
The previous prime is 30021202103. The next prime is 30021202121. The reversal of 30021202111 is 11120212003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30021202111 - 23 = 30021202103 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30021202091 and 30021202100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30021202121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34348765 + ... + 34349638.
It is an arithmetic number, because the mean of its divisors is an integer number (4121904240).
Almost surely, 230021202111 is an apocalyptic number.
30021202111 is a deficient number, since it is larger than the sum of its proper divisors (2954031809).
30021202111 is a wasteful number, since it uses less digits than its factorization.
30021202111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68698445.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 30021202111 its reverse (11120212003), we get a palindrome (41141414114).
The spelling of 30021202111 in words is "thirty billion, twenty-one million, two hundred two thousand, one hundred eleven".
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