Base | Representation |
---|---|
bin | 1100010010100001010… |
… | …1000010001101100111 |
3 | 202011222000100021112012 |
4 | 3010220111002031213 |
5 | 11424343240001411 |
6 | 240554120344435 |
7 | 21152666251163 |
oct | 3045025021547 |
9 | 664860307465 |
10 | 211130000231 |
11 | 815a34210a7 |
12 | 34b0301511b |
13 | 16ba9162427 |
14 | a30c351ca3 |
15 | 575a64218b |
hex | 3128542367 |
211130000231 has 2 divisors, whose sum is σ = 211130000232. Its totient is φ = 211130000230.
The previous prime is 211130000203. The next prime is 211130000233. The reversal of 211130000231 is 132000031112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 211130000231 - 26 = 211130000167 is a prime.
It is a super-2 number, since 2×2111300002312 (a number of 23 digits) contains 22 as substring.
Together with 211130000233, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (211130000233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565000115 + 105565000116.
It is an arithmetic number, because the mean of its divisors is an integer number (105565000116).
Almost surely, 2211130000231 is an apocalyptic number.
211130000231 is a deficient number, since it is larger than the sum of its proper divisors (1).
211130000231 is an equidigital number, since it uses as much as digits as its factorization.
211130000231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 211130000231 its reverse (132000031112), we get a palindrome (343130031343).
The spelling of 211130000231 in words is "two hundred eleven billion, one hundred thirty million, two hundred thirty-one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •