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420767148271 is a prime number
BaseRepresentation
bin1100001111101111010…
…11010010100011101111
31111020001222121210211111
412013313223102203233
523343212342221041
6521144152132451
742254000514541
oct6076753224357
91436058553744
10420767148271
111524a00a4258
126966a097127
13308a7c35b62
1416518301691
15ae29b9c981
hex61f7ad28ef

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".