Base | Representation |
---|---|
bin | 1100010010100001101… |
… | …0011111110100110001 |
3 | 202011222010001000212121 |
4 | 3010220122133310301 |
5 | 11424344121312431 |
6 | 240554211154241 |
7 | 21153014364142 |
oct | 3045032376461 |
9 | 664863030777 |
10 | 211131432241 |
11 | 815a4209a84 |
12 | 34b035a5981 |
13 | 16ba9544182 |
14 | a30c605ac9 |
15 | 575a826611 |
hex | 312869fd31 |
211131432241 has 4 divisors (see below), whose sum is σ = 211255702000. Its totient is φ = 211007162484.
The previous prime is 211131432233. The next prime is 211131432257. The reversal of 211131432241 is 142234131112.
211131432241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 211131432241 - 23 = 211131432233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (211131439241) 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 3 ways as a sum of consecutive naturals, for example, 62132331 + ... + 62135728.
It is an arithmetic number, because the mean of its divisors is an integer number (52813925500).
Almost surely, 2211131432241 is an apocalyptic number.
It is an amenable number.
211131432241 is a deficient number, since it is larger than the sum of its proper divisors (124269759).
211131432241 is a wasteful number, since it uses less digits than its factorization.
211131432241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124269758.
The product of its digits is 1152, while the sum is 25.
Adding to 211131432241 its reverse (142234131112), we get a palindrome (353365563353).
The spelling of 211131432241 in words is "two hundred eleven billion, one hundred thirty-one million, four hundred thirty-two thousand, two hundred forty-one".
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