Base | Representation |
---|---|
bin | 10010110100101111… |
… | …000101001010111011 |
3 | 1221011121122120111002 |
4 | 102310233011022323 |
5 | 312343300010021 |
6 | 13141343355215 |
7 | 1313606046302 |
oct | 226457051273 |
9 | 57147576432 |
10 | 20212110011 |
11 | 8632233455 |
12 | 3b00bb2b0b |
13 | 1ba1612012 |
14 | d9a53b439 |
15 | 7d46b850b |
hex | 4b4bc52bb |
20212110011 has 8 divisors (see below), whose sum is σ = 20274805584. Its totient is φ = 20149512480.
The previous prime is 20212109969. The next prime is 20212110041. The reversal of 20212110011 is 11001121202.
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 20212110011 - 218 = 20211847867 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20212109974 and 20212110001.
It is not an unprimeable number, because it can be changed into a prime (20212110041) by changing a digit.
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, 399725 + ... + 447441.
It is an arithmetic number, because the mean of its divisors is an integer number (2534350698).
Almost surely, 220212110011 is an apocalyptic number.
20212110011 is a deficient number, since it is larger than the sum of its proper divisors (62695573).
20212110011 is an equidigital number, since it uses as much as digits as its factorization.
20212110011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49021.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 20212110011 its reverse (11001121202), we get a palindrome (31213231213).
The spelling of 20212110011 in words is "twenty billion, two hundred twelve million, one hundred ten thousand, eleven".
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