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30221302233121 = 73259412526819
BaseRepresentation
bin1101101111100011100011…
…11110111111100000100001
310222000010110111220000020121
412313301301332333200201
512430121211332424441
6144135250302040241
76236263020341146
oct667616176774041
9128003414800217
1030221302233121
1196a186727429a
123481110b79081
1313b2b19b7359c
14766a0c6963cd
153761d349add1
hex1b7c71fbf821

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".

Divisors: 1 73259 412526819 30221302233121