Base | Representation |
---|---|
bin | 10010101111011100… |
… | …000000011111110110 |
3 | 1220221102101200212121 |
4 | 102233130000133312 |
5 | 312203021132204 |
6 | 13124450310154 |
7 | 1311446403463 |
oct | 225734003766 |
9 | 56842350777 |
10 | 20123224054 |
11 | 859704308a |
12 | 3a9728835a |
13 | 1b8909018b |
14 | d8c80066a |
15 | 7cb9abb54 |
hex | 4af7007f6 |
20123224054 has 16 divisors (see below), whose sum is σ = 32127757056. Its totient is φ = 9420169600.
The previous prime is 20123223997. The next prime is 20123224073. The reversal of 20123224054 is 45042232102.
It is a congruent number.
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, 1542877 + ... + 1555864.
It is an arithmetic number, because the mean of its divisors is an integer number (2007984816).
Almost surely, 220123224054 is an apocalyptic number.
20123224054 is a deficient number, since it is larger than the sum of its proper divisors (12004533002).
20123224054 is a wasteful number, since it uses less digits than its factorization.
20123224054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3098951.
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 20123224054 its reverse (45042232102), we get a palindrome (65165456156).
The spelling of 20123224054 in words is "twenty billion, one hundred twenty-three million, two hundred twenty-four thousand, fifty-four".
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