Base | Representation |
---|---|
bin | 110000010000000100111111… |
… | …010011000111000010010111 |
3 | 1000211101011221111200021021202 |
4 | 300100010333103013002113 |
5 | 210303331313340232411 |
6 | 2031200233424503115 |
7 | 62461513625152550 |
oct | 6020047723070227 |
9 | 1024334844607252 |
10 | 212211101102231 |
11 | 6168724a270800 |
12 | 1b973b2447aa9b |
13 | 9154561b3367a |
14 | 3a59101b91327 |
15 | 198016ece483b |
hex | c1013f4c7097 |
212211101102231 has 24 divisors (see below), whose sum is σ = 275771621868960. Its totient is φ = 159657254729280.
The previous prime is 212211101102191. The next prime is 212211101102269. The reversal of 212211101102231 is 132201101112212.
It is not a de Polignac number, because 212211101102231 - 230 = 212210027360407 is a prime.
It is a super-2 number, since 2×2122111011022312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212211101192231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4319706356 + ... + 4319755481.
It is an arithmetic number, because the mean of its divisors is an integer number (11490484244540).
Almost surely, 2212211101102231 is an apocalyptic number.
212211101102231 is a deficient number, since it is larger than the sum of its proper divisors (63560520766729).
212211101102231 is a wasteful number, since it uses less digits than its factorization.
212211101102231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8639461895 (or 8639461884 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 20.
Adding to 212211101102231 its reverse (132201101112212), we get a palindrome (344412202214443).
The spelling of 212211101102231 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred one million, one hundred two thousand, two hundred thirty-one".
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