Base | Representation |
---|---|
bin | 1110001110111101001101… |
… | …00111101111110001111010 |
3 | 11002211021100022000020100212 |
4 | 13013132212213233301322 |
5 | 13100310323330420010 |
6 | 150323042403431122 |
7 | 6410236453156112 |
oct | 707364647576172 |
9 | 132737308006325 |
10 | 31300222123130 |
11 | 9a78393436684 |
12 | 36162390854a2 |
13 | 14607a156859c |
14 | 7a2d20236042 |
15 | 3942cd478505 |
hex | 1c77a69efc7a |
31300222123130 has 8 divisors (see below), whose sum is σ = 56340399821652. Its totient is φ = 12520088849248.
The previous prime is 31300222123123. The next prime is 31300222123133. The reversal of 31300222123130 is 3132122200313.
It can be written as a sum of positive squares in 2 ways, for example, as 29288196188449 + 2012025934681 = 5411857^2 + 1418459^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 31300222123096 and 31300222123105.
It is not an unprimeable number, because it can be changed into a prime (31300222123133) 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, 1565011106147 + ... + 1565011106166.
Almost surely, 231300222123130 is an apocalyptic number.
31300222123130 is a deficient number, since it is larger than the sum of its proper divisors (25040177698522).
31300222123130 is a wasteful number, since it uses less digits than its factorization.
31300222123130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3130022212320.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31300222123130 its reverse (3132122200313), we get a palindrome (34432344323443).
The spelling of 31300222123130 in words is "thirty-one trillion, three hundred billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty".
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