Base | Representation |
---|---|
bin | 11100001001010011… |
… | …111110000100110011 |
3 | 2220000011010220202202 |
4 | 130021103332010303 |
5 | 443343034013021 |
6 | 21514444533415 |
7 | 2116622161445 |
oct | 341123760463 |
9 | 86004126682 |
10 | 30221001011 |
11 | 118a8a703a3 |
12 | 5a34b5126b |
13 | 2b080c3326 |
14 | 1669936495 |
15 | bbd230a0b |
hex | 7094fe133 |
30221001011 has 16 divisors (see below), whose sum is σ = 31131809280. Its totient is φ = 29320280640.
The previous prime is 30221000983. The next prime is 30221001089. The reversal of 30221001011 is 11010012203.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30221001011 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30221000983 and 30221001001.
It is not an unprimeable number, because it can be changed into a prime (30221001511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4394906 + ... + 4401776.
It is an arithmetic number, because the mean of its divisors is an integer number (1945738080).
Almost surely, 230221001011 is an apocalyptic number.
30221001011 is a deficient number, since it is larger than the sum of its proper divisors (910808269).
30221001011 is a wasteful number, since it uses less digits than its factorization.
30221001011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7586.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 30221001011 its reverse (11010012203), we get a palindrome (41231013214).
The spelling of 30221001011 in words is "thirty billion, two hundred twenty-one million, one thousand, eleven".
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