Base | Representation |
---|---|
bin | 1101101111100011100011… |
… | …11110111111100000100001 |
3 | 10222000010110111220000020121 |
4 | 12313301301332333200201 |
5 | 12430121211332424441 |
6 | 144135250302040241 |
7 | 6236263020341146 |
oct | 667616176774041 |
9 | 128003414800217 |
10 | 30221302233121 |
11 | 96a186727429a |
12 | 3481110b79081 |
13 | 13b2b19b7359c |
14 | 766a0c6963cd |
15 | 3761d349add1 |
hex | 1b7c71fbf821 |
30221302233121 has 4 divisors (see below), whose sum is σ = 30221714833200. Its totient is φ = 30220889633044.
The previous prime is 30221302233119. The next prime is 30221302233149. The reversal of 30221302233121 is 12133220312203.
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 30221302233121 - 21 = 30221302233119 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30221302233151) 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, 206190151 + ... + 206336668.
It is an arithmetic number, because the mean of its divisors is an integer number (7555428708300).
Almost surely, 230221302233121 is an apocalyptic number.
It is an amenable number.
30221302233121 is a deficient number, since it is larger than the sum of its proper divisors (412600079).
30221302233121 is an equidigital number, since it uses as much as digits as its factorization.
30221302233121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412600078.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 30221302233121 its reverse (12133220312203), we get a palindrome (42354522545324).
The spelling of 30221302233121 in words is "thirty trillion, two hundred twenty-one billion, three hundred two million, two hundred thirty-three thousand, one hundred twenty-one".
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