Base | Representation |
---|---|
bin | 100001101001001111110… |
… | …110111111101101000101 |
3 | 22012000202111112002100211 |
4 | 201221033312333231011 |
5 | 300340020222101041 |
6 | 4530044414235421 |
7 | 326016212426044 |
oct | 41511766775505 |
9 | 8160674462324 |
10 | 2312032222021 |
11 | 811588a07625 |
12 | 314106ab5b71 |
13 | 13a0400c9c82 |
14 | 7dc8d9da55b |
15 | 4021bb74481 |
hex | 21a4fdbfb45 |
2312032222021 has 8 divisors (see below), whose sum is σ = 2451015903384. Its totient is φ = 2173379850240.
The previous prime is 2312032221979. The next prime is 2312032222051. The reversal of 2312032222021 is 1202222302132.
It can be written as a sum of positive squares in 4 ways, for example, as 62707171396 + 2249325050625 = 250414^2 + 1499775^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2312032222021 - 29 = 2312032221509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2312032221983 and 2312032222001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312032222051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82813020 + ... + 82840933.
It is an arithmetic number, because the mean of its divisors is an integer number (306376987923).
Almost surely, 22312032222021 is an apocalyptic number.
It is an amenable number.
2312032222021 is a deficient number, since it is larger than the sum of its proper divisors (138983681363).
2312032222021 is a wasteful number, since it uses less digits than its factorization.
2312032222021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165654791.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 2312032222021 its reverse (1202222302132), we get a palindrome (3514254524153).
The spelling of 2312032222021 in words is "two trillion, three hundred twelve billion, thirty-two million, two hundred twenty-two thousand, twenty-one".
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