Base | Representation |
---|---|
bin | 11101011010011000111… |
… | …111001100100000000111 |
3 | 21011020001222220010020011 |
4 | 131122120333030200013 |
5 | 231103410020112411 |
6 | 4144305503051051 |
7 | 266012152566214 |
oct | 35323077144007 |
9 | 7136058803204 |
10 | 2021201332231 |
11 | 70a206506564 |
12 | 2878802a0a87 |
13 | 1187a1aab983 |
14 | 6db80530b0b |
15 | 37899448c21 |
hex | 1d698fcc807 |
2021201332231 has 2 divisors, whose sum is σ = 2021201332232. Its totient is φ = 2021201332230.
The previous prime is 2021201332223. The next prime is 2021201332237. The reversal of 2021201332231 is 1322331021202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2021201332231 - 23 = 2021201332223 is a prime.
It is a super-2 number, since 2×20212013322312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2021201332237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010600666115 + 1010600666116.
It is an arithmetic number, because the mean of its divisors is an integer number (1010600666116).
Almost surely, 22021201332231 is an apocalyptic number.
2021201332231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2021201332231 is an equidigital number, since it uses as much as digits as its factorization.
2021201332231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2021201332231 its reverse (1322331021202), we get a palindrome (3343532353433).
It can be divided in two parts, 202120 and 1332231, that added together give a palindrome (1534351).
The spelling of 2021201332231 in words is "two trillion, twenty-one billion, two hundred one million, three hundred thirty-two thousand, two hundred thirty-one".
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