Base | Representation |
---|---|
bin | 1100001111101111010… |
… | …11010010100011101111 |
3 | 1111020001222121210211111 |
4 | 12013313223102203233 |
5 | 23343212342221041 |
6 | 521144152132451 |
7 | 42254000514541 |
oct | 6076753224357 |
9 | 1436058553744 |
10 | 420767148271 |
11 | 1524a00a4258 |
12 | 6966a097127 |
13 | 308a7c35b62 |
14 | 16518301691 |
15 | ae29b9c981 |
hex | 61f7ad28ef |
420767148271 has 2 divisors, whose sum is σ = 420767148272. Its totient is φ = 420767148270.
The previous prime is 420767148259. The next prime is 420767148313. The reversal of 420767148271 is 172841767024.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 420767148271 - 211 = 420767146223 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (420767148371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210383574135 + 210383574136.
It is an arithmetic number, because the mean of its divisors is an integer number (210383574136).
Almost surely, 2420767148271 is an apocalyptic number.
420767148271 is a deficient number, since it is larger than the sum of its proper divisors (1).
420767148271 is an equidigital number, since it uses as much as digits as its factorization.
420767148271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1053696, while the sum is 49.
The spelling of 420767148271 in words is "four hundred twenty billion, seven hundred sixty-seven million, one hundred forty-eight thousand, two hundred seventy-one".
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