Base | Representation |
---|---|
bin | 1100010101110111111… |
… | …0010011101111010011 |
3 | 202021021201212122002011 |
4 | 3011131332103233103 |
5 | 11433214140343441 |
6 | 241223311003351 |
7 | 21214205240242 |
oct | 3053576235723 |
9 | 667251778064 |
10 | 212030012371 |
11 | 81a15461591 |
12 | 35114509557 |
13 | 16cc07614a8 |
14 | a395ab2959 |
15 | 57ae672581 |
hex | 315df93bd3 |
212030012371 has 2 divisors, whose sum is σ = 212030012372. Its totient is φ = 212030012370.
The previous prime is 212030012309. The next prime is 212030012387. The reversal of 212030012371 is 173210030212.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212030012371 - 29 = 212030011859 is a prime.
It is a super-2 number, since 2×2120300123712 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (212030012171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015006185 + 106015006186.
It is an arithmetic number, because the mean of its divisors is an integer number (106015006186).
Almost surely, 2212030012371 is an apocalyptic number.
212030012371 is a deficient number, since it is larger than the sum of its proper divisors (1).
212030012371 is an equidigital number, since it uses as much as digits as its factorization.
212030012371 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 22.
Adding to 212030012371 its reverse (173210030212), we get a palindrome (385240042583).
The spelling of 212030012371 in words is "two hundred twelve billion, thirty million, twelve thousand, three hundred seventy-one".
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