Base | Representation |
---|---|
bin | 11101011010011000111… |
… | …010100010101001010011 |
3 | 21011020001220121010200020 |
4 | 131122120322202221103 |
5 | 231103404212042321 |
6 | 4144305420554523 |
7 | 266012136325260 |
oct | 35323072425123 |
9 | 7136056533606 |
10 | 2021200112211 |
11 | 70a205852985 |
12 | 28787b9b2a43 |
13 | 1187a1772577 |
14 | 6db802d4267 |
15 | 378992a74c6 |
hex | 1d698ea2a53 |
2021200112211 has 16 divisors (see below), whose sum is σ = 3080563521024. Its totient is φ = 1154731665024.
The previous prime is 2021200112171. The next prime is 2021200112219. The reversal of 2021200112211 is 1122110021202.
It is not a de Polignac number, because 2021200112211 - 26 = 2021200112147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2021200112219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9889255 + ... + 10091568.
It is an arithmetic number, because the mean of its divisors is an integer number (192535220064).
Almost surely, 22021200112211 is an apocalyptic number.
2021200112211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2021200112211 is a deficient number, since it is larger than the sum of its proper divisors (1059363408813).
2021200112211 is a wasteful number, since it uses less digits than its factorization.
2021200112211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19985650.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2021200112211 its reverse (1122110021202), we get a palindrome (3143310133413).
The spelling of 2021200112211 in words is "two trillion, twenty-one billion, two hundred million, one hundred twelve thousand, two hundred eleven".
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