Base | Representation |
---|---|
bin | 10010101000001010… |
… | …100011111101000011 |
3 | 1220121220210202022012 |
4 | 102220022203331003 |
5 | 311430302211204 |
6 | 13104411203135 |
7 | 1305435324056 |
oct | 225012437503 |
9 | 56556722265 |
10 | 20001210179 |
11 | 8534186275 |
12 | 3a624464ab |
13 | 1b69a0c712 |
14 | d7a51ca9d |
15 | 7c0e0976e |
hex | 4a82a3f43 |
20001210179 has 2 divisors, whose sum is σ = 20001210180. Its totient is φ = 20001210178.
The previous prime is 20001210167. The next prime is 20001210181. The reversal of 20001210179 is 97101210002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20001210179 - 220 = 20000161603 is a prime.
Together with 20001210181, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (20001210479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000605089 + 10000605090.
It is an arithmetic number, because the mean of its divisors is an integer number (10000605090).
Almost surely, 220001210179 is an apocalyptic number.
20001210179 is a deficient number, since it is larger than the sum of its proper divisors (1).
20001210179 is an equidigital number, since it uses as much as digits as its factorization.
20001210179 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 23.
The spelling of 20001210179 in words is "twenty billion, one million, two hundred ten thousand, one hundred seventy-nine".
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