Base | Representation |
---|---|
bin | 1100010010100100001… |
… | …0111110001011100101 |
3 | 202011222212000002012021 |
4 | 3010221002332023211 |
5 | 11424404330323331 |
6 | 240555230423141 |
7 | 21153203514316 |
oct | 3045102761345 |
9 | 664885002167 |
10 | 211142042341 |
11 | 815aa1a655a |
12 | 34b07061ab1 |
13 | 16bab7ba639 |
14 | a30dba860d |
15 | 575b720211 |
hex | 31290be2e5 |
211142042341 has 4 divisors (see below), whose sum is σ = 211144345900. Its totient is φ = 211139738784.
The previous prime is 211142042317. The next prime is 211142042347. The reversal of 211142042341 is 143240241112.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 106390130625 + 104751911716 = 326175^2 + 323654^2 .
It is a cyclic number.
It is not a de Polignac number, because 211142042341 - 223 = 211133653733 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211142042347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008336 + ... + 1199593.
It is an arithmetic number, because the mean of its divisors is an integer number (52786086475).
Almost surely, 2211142042341 is an apocalyptic number.
It is an amenable number.
211142042341 is a deficient number, since it is larger than the sum of its proper divisors (2303559).
211142042341 is an equidigital number, since it uses as much as digits as its factorization.
211142042341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2303558.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 211142042341 its reverse (143240241112), we get a palindrome (354382283453).
The spelling of 211142042341 in words is "two hundred eleven billion, one hundred forty-two million, forty-two thousand, three hundred forty-one".
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