Base | Representation |
---|---|
bin | 1100001111000110001… |
… | …1110100111101100001 |
3 | 202002120222022220020002 |
4 | 3003301203310331201 |
5 | 11421003022144413 |
6 | 240323014025345 |
7 | 21121141063625 |
oct | 3036143647541 |
9 | 662528286202 |
10 | 210211131233 |
11 | 81171781234 |
12 | 348a7348255 |
13 | 16a9099036c |
14 | a2622c3185 |
15 | 5704b39958 |
hex | 30f18f4f61 |
210211131233 has 2 divisors, whose sum is σ = 210211131234. Its totient is φ = 210211131232.
The previous prime is 210211131199. The next prime is 210211131239. The reversal of 210211131233 is 332131112012.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 122460103249 + 87751027984 = 349943^2 + 296228^2 .
It is a cyclic number.
It is not a de Polignac number, because 210211131233 - 210 = 210211130209 is a prime.
It is a super-5 number, since 5×2102111312335 (a number of 58 digits) contains 55555 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (210211131239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105565616 + 105105565617.
It is an arithmetic number, because the mean of its divisors is an integer number (105105565617).
Almost surely, 2210211131233 is an apocalyptic number.
It is an amenable number.
210211131233 is a deficient number, since it is larger than the sum of its proper divisors (1).
210211131233 is an equidigital number, since it uses as much as digits as its factorization.
210211131233 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 210211131233 its reverse (332131112012), we get a palindrome (542342243245).
The spelling of 210211131233 in words is "two hundred ten billion, two hundred eleven million, one hundred thirty-one thousand, two hundred thirty-three".
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