Base | Representation |
---|---|
bin | 1110100110111010010101… |
… | …01011100001111111111101 |
3 | 11012201221212221022221021211 |
4 | 13103131022223201333331 |
5 | 13202302021203112341 |
6 | 152153125120524421 |
7 | 6523555436050336 |
oct | 723351253417775 |
9 | 135657787287254 |
10 | 32123313332221 |
11 | a265469a17551 |
12 | 3729868780711 |
13 | 14c02a545a497 |
14 | 7d0ac322d28d |
15 | 3aa903a95181 |
hex | 1d374aae1ffd |
32123313332221 has 4 divisors (see below), whose sum is σ = 32123324718172. Its totient is φ = 32123301946272.
The previous prime is 32123313332177. The next prime is 32123313332291. The reversal of 32123313332221 is 12223331332123.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 27260031400996 + 4863281931225 = 5221114^2 + 2205285^2 .
It is a cyclic number.
It is not a de Polignac number, because 32123313332221 - 213 = 32123313324029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32123313332291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043391 + ... + 8271763.
It is an arithmetic number, because the mean of its divisors is an integer number (8030831179543).
Almost surely, 232123313332221 is an apocalyptic number.
It is an amenable number.
32123313332221 is a deficient number, since it is larger than the sum of its proper divisors (11385951).
32123313332221 is an equidigital number, since it uses as much as digits as its factorization.
32123313332221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11385950.
The product of its digits is 23328, while the sum is 31.
Adding to 32123313332221 its reverse (12223331332123), we get a palindrome (44346644664344).
The spelling of 32123313332221 in words is "thirty-two trillion, one hundred twenty-three billion, three hundred thirteen million, three hundred thirty-two thousand, two hundred twenty-one".
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