Base | Representation |
---|---|
bin | 101111110010111111011000… |
… | …110001001100010010101111 |
3 | 1000120022002111010101100022011 |
4 | 233302333120301030102233 |
5 | 210023104112103022231 |
6 | 2023030054454102051 |
7 | 62164221542634232 |
oct | 5762773061142257 |
9 | 1016262433340264 |
10 | 210212221142191 |
11 | 60a86558682584 |
12 | 1b6b065364a927 |
13 | 903ac09648648 |
14 | 39ca47bd79419 |
15 | 194818030a9b1 |
hex | bf2fd8c4c4af |
210212221142191 has 2 divisors, whose sum is σ = 210212221142192. Its totient is φ = 210212221142190.
The previous prime is 210212221142129. The next prime is 210212221142227. The reversal of 210212221142191 is 191241122212012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 210212221142191 - 217 = 210212221011119 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (210212221143191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106110571095 + 105106110571096.
It is an arithmetic number, because the mean of its divisors is an integer number (105106110571096).
Almost surely, 2210212221142191 is an apocalyptic number.
210212221142191 is a deficient number, since it is larger than the sum of its proper divisors (1).
210212221142191 is an equidigital number, since it uses as much as digits as its factorization.
210212221142191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2304, while the sum is 31.
The spelling of 210212221142191 in words is "two hundred ten trillion, two hundred twelve billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred ninety-one".
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