Base | Representation |
---|---|
bin | 111000011100011100… |
… | …0001000010001100101 |
3 | 102120212120020202211221 |
4 | 1300320320020101211 |
5 | 3441221102303331 |
6 | 131403514100341 |
7 | 11520531145216 |
oct | 1607070102145 |
9 | 376776222757 |
10 | 121213322341 |
11 | 47451840161 |
12 | 1b5aa11a6b1 |
13 | b579694697 |
14 | 5c1c54340d |
15 | 3246773711 |
hex | 1c38e08465 |
121213322341 has 4 divisors (see below), whose sum is σ = 121218883884. Its totient is φ = 121207760800.
The previous prime is 121213322333. The next prime is 121213322357. The reversal of 121213322341 is 143223312121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 59073302500 + 62140019841 = 243050^2 + 249279^2 .
It is a cyclic number.
It is not a de Polignac number, because 121213322341 - 23 = 121213322333 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 (121213322311) 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, 2747950 + ... + 2791711.
It is an arithmetic number, because the mean of its divisors is an integer number (30304720971).
Almost surely, 2121213322341 is an apocalyptic number.
It is an amenable number.
121213322341 is a deficient number, since it is larger than the sum of its proper divisors (5561543).
121213322341 is an equidigital number, since it uses as much as digits as its factorization.
121213322341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5561542.
The product of its digits is 1728, while the sum is 25.
Adding to 121213322341 its reverse (143223312121), we get a palindrome (264436634462).
The spelling of 121213322341 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred forty-one".
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