Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110010101110011111 |
3 | 1220121211221112221002 |
4 | 102220012302232133 |
5 | 311430024101421 |
6 | 13104334100515 |
7 | 1305424040312 |
oct | 225006625637 |
9 | 56554845832 |
10 | 20000222111 |
11 | 8533670991 |
12 | 3a6204a73b |
13 | 1b69754a6c |
14 | d7a342979 |
15 | 7c0cb1b0b |
hex | 4a81b2b9f |
20000222111 has 8 divisors (see below), whose sum is σ = 21056838000. Its totient is φ = 18944003520.
The previous prime is 20000222107. The next prime is 20000222117. The reversal of 20000222111 is 11122200002.
It is a happy number.
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 20000222111 - 22 = 20000222107 is a prime.
It is a super-3 number, since 3×200002221113 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20000222092 and 20000222101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000222117) 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, 6941 + ... + 200121.
It is an arithmetic number, because the mean of its divisors is an integer number (2632104750).
Almost surely, 220000222111 is an apocalyptic number.
20000222111 is a deficient number, since it is larger than the sum of its proper divisors (1056615889).
20000222111 is a wasteful number, since it uses less digits than its factorization.
20000222111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198649.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20000222111 its reverse (11122200002), we get a palindrome (31122422113).
The spelling of 20000222111 in words is "twenty billion, two hundred twenty-two thousand, one hundred eleven".
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