Base | Representation |
---|---|
bin | 11100001111010001… |
… | …111001101011011011 |
3 | 2220021010112120221221 |
4 | 130033101321223123 |
5 | 444044201401021 |
6 | 21532422512511 |
7 | 2122246166425 |
oct | 341721715333 |
9 | 86233476857 |
10 | 30321122011 |
11 | 1194a534824 |
12 | 5a62595737 |
13 | 2b22a79c1b |
14 | 1678d59815 |
15 | bc6e0b241 |
hex | 70f479adb |
30321122011 has 4 divisors (see below), whose sum is σ = 30457091392. Its totient is φ = 30185152632.
The previous prime is 30321122003. The next prime is 30321122053. The reversal of 30321122011 is 11022112303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022112303 = 641 ⋅17195183.
It is a cyclic number.
It is not a de Polignac number, because 30321122011 - 23 = 30321122003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30321122081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67984356 + ... + 67984801.
It is an arithmetic number, because the mean of its divisors is an integer number (7614272848).
Almost surely, 230321122011 is an apocalyptic number.
30321122011 is a deficient number, since it is larger than the sum of its proper divisors (135969381).
30321122011 is a wasteful number, since it uses less digits than its factorization.
30321122011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135969380.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30321122011 its reverse (11022112303), we get a palindrome (41343234314).
The spelling of 30321122011 in words is "thirty billion, three hundred twenty-one million, one hundred twenty-two thousand, eleven".
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