Base | Representation |
---|---|
bin | 100011011110111110110011… |
… | …1001110111000011111111101 |
3 | 1111221010111122001222112000020 |
4 | 1012331331213032320133331 |
5 | 311402243410340303201 |
6 | 3023454313525122353 |
7 | 122513006534310111 |
oct | 10675754716703775 |
9 | 1457114561875006 |
10 | 312121300322301 |
11 | 904a699a056878 |
12 | 2b00b247b593b9 |
13 | 10520bb24ca632 |
14 | 5710a74323741 |
15 | 2613ed098aa36 |
hex | 11bdf673b87fd |
312121300322301 has 4 divisors (see below), whose sum is σ = 416161733763072. Its totient is φ = 208080866881532.
The previous prime is 312121300322207. The next prime is 312121300322329. The reversal of 312121300322301 is 103223003121213.
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 312121300322301 - 211 = 312121300320253 is a prime.
It is a super-2 number, since 2×3121213003223012 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312121300322341) 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, 52020216720381 + ... + 52020216720386.
It is an arithmetic number, because the mean of its divisors is an integer number (104040433440768).
Almost surely, 2312121300322301 is an apocalyptic number.
It is an amenable number.
312121300322301 is a deficient number, since it is larger than the sum of its proper divisors (104040433440771).
312121300322301 is a wasteful number, since it uses less digits than its factorization.
312121300322301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104040433440770.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 312121300322301 its reverse (103223003121213), we get a palindrome (415344303443514).
The spelling of 312121300322301 in words is "three hundred twelve trillion, one hundred twenty-one billion, three hundred million, three hundred twenty-two thousand, three hundred one".
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