Base | Representation |
---|---|
bin | 11011100101010010111011… |
… | …111111100110101001111110 |
3 | 120220112010212010122112111110 |
4 | 123211102323333212221332 |
5 | 111400021302320233042 |
6 | 1110001050303102450 |
7 | 34360242046152402 |
oct | 3345227377465176 |
9 | 526463763575443 |
10 | 121310210321022 |
11 | 3572040a1a2738 |
12 | 11732893ba1a26 |
13 | 528c671970588 |
14 | 21d5634689102 |
15 | e05854b3109c |
hex | 6e54bbfe6a7e |
121310210321022 has 32 divisors (see below), whose sum is σ = 256952956384800. Its totient is φ = 38049105747968.
The previous prime is 121310210320939. The next prime is 121310210321081. The reversal of 121310210321022 is 220123012013121.
It is a self number, because there is not a number n which added to its sum of digits gives 121310210321022.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140182947 + ... + 141045662.
It is an arithmetic number, because the mean of its divisors is an integer number (8029779887025).
Almost surely, 2121310210321022 is an apocalyptic number.
121310210321022 is an abundant number, since it is smaller than the sum of its proper divisors (135642746063778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121310210321022 is a wasteful number, since it uses less digits than its factorization.
121310210321022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281232860.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 121310210321022 its reverse (220123012013121), we get a palindrome (341433222334143).
The spelling of 121310210321022 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred ten million, three hundred twenty-one thousand, twenty-two".
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