Base | Representation |
---|---|
bin | 10010101000000110… |
… | …000001111011000100 |
3 | 1220121211120101201102 |
4 | 102220012001323010 |
5 | 311430001202322 |
6 | 13104325515232 |
7 | 1305422245442 |
oct | 225006017304 |
9 | 56554511642 |
10 | 20000022212 |
11 | 8533544785 |
12 | 3a61b72b18 |
13 | 1b696b4a91 |
14 | d7a2cdb92 |
15 | 7c0c72792 |
hex | 4a8181ec4 |
20000022212 has 24 divisors (see below), whose sum is σ = 37221975840. Its totient is φ = 9376024320.
The previous prime is 20000022199. The next prime is 20000022227. The reversal of 20000022212 is 21222000002.
It is a junction number, because it is equal to n+sod(n) for n = 20000022193 and 20000022202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349114 + ... + 1363857.
It is an arithmetic number, because the mean of its divisors is an integer number (1550915660).
Almost surely, 220000022212 is an apocalyptic number.
It is an amenable number.
20000022212 is a deficient number, since it is larger than the sum of its proper divisors (17221953628).
20000022212 is a wasteful number, since it uses less digits than its factorization.
20000022212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2713091 (or 2713089 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 11.
Adding to 20000022212 its reverse (21222000002), we get a palindrome (41222022214).
The spelling of 20000022212 in words is "twenty billion, twenty-two thousand, two hundred twelve".
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