Base | Representation |
---|---|
bin | 10010111010101101… |
… | …011000111110001010 |
3 | 1221102121020021122001 |
4 | 102322231120332022 |
5 | 313044424030442 |
6 | 13155323421214 |
7 | 1316233646230 |
oct | 227255307612 |
9 | 57377207561 |
10 | 20312330122 |
11 | 8683865297 |
12 | 3b2a68480a |
13 | 1bb9301a66 |
14 | da9988950 |
15 | 7dd3b32b7 |
hex | 4bab58f8a |
20312330122 has 16 divisors (see below), whose sum is σ = 34827972480. Its totient is φ = 8703575568.
The previous prime is 20312330117. The next prime is 20312330161. The reversal of 20312330122 is 22103321302.
It is a self number, because there is not a number n which added to its sum of digits gives 20312330122.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67158 + ... + 212449.
It is an arithmetic number, because the mean of its divisors is an integer number (2176748280).
Almost surely, 220312330122 is an apocalyptic number.
20312330122 is a deficient number, since it is larger than the sum of its proper divisors (14515642358).
20312330122 is a wasteful number, since it uses less digits than its factorization.
20312330122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284805.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20312330122 its reverse (22103321302), we get a palindrome (42415651424).
The spelling of 20312330122 in words is "twenty billion, three hundred twelve million, three hundred thirty thousand, one hundred twenty-two".
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