Base | Representation |
---|---|
bin | 110111111000111010… |
… | …0100101110010000101 |
3 | 102110210111002022021221 |
4 | 1233301310211302011 |
5 | 3431300412243133 |
6 | 131045331040341 |
7 | 11446144320553 |
oct | 1576164456205 |
9 | 373714068257 |
10 | 120021212293 |
11 | 4699a933244 |
12 | 1b316a400b1 |
13 | b419703518 |
14 | 5b480a8bd3 |
15 | 31c6c95a2d |
hex | 1bf1d25c85 |
120021212293 has 2 divisors, whose sum is σ = 120021212294. Its totient is φ = 120021212292.
The previous prime is 120021212191. The next prime is 120021212351. The reversal of 120021212293 is 392212120021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 71250023329 + 48771188964 = 266927^2 + 220842^2 .
It is a cyclic number.
It is not a de Polignac number, because 120021212293 - 217 = 120021081221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120021212893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010606146 + 60010606147.
It is an arithmetic number, because the mean of its divisors is an integer number (60010606147).
Almost surely, 2120021212293 is an apocalyptic number.
It is an amenable number.
120021212293 is a deficient number, since it is larger than the sum of its proper divisors (1).
120021212293 is an equidigital number, since it uses as much as digits as its factorization.
120021212293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 25.
The spelling of 120021212293 in words is "one hundred twenty billion, twenty-one million, two hundred twelve thousand, two hundred ninety-three".
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