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420230134277 is a prime number
BaseRepresentation
bin1100001110101111010…
…10101111101000000101
31111011200120010200010022
412013113222233220011
523341112403244102
6521015010104525
742234460130222
oct6072752575005
91434616120108
10420230134277
11152244a56738
126953a27b145
13308208c13b5
14164a6c72949
15ade79725a2
hex61d7aafa05

420230134277 has 2 divisors, whose sum is σ = 420230134278. Its totient is φ = 420230134276.

The previous prime is 420230134153. The next prime is 420230134279. The reversal of 420230134277 is 772431032024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313153279201 + 107076855076 = 559601^2 + 327226^2 .

It is a cyclic number.

It is not a de Polignac number, because 420230134277 - 28 = 420230134021 is a prime.

Together with 420230134279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420230134279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210115067138 + 210115067139.

It is an arithmetic number, because the mean of its divisors is an integer number (210115067139).

Almost surely, 2420230134277 is an apocalyptic number.

It is an amenable number.

420230134277 is a deficient number, since it is larger than the sum of its proper divisors (1).

420230134277 is an equidigital number, since it uses as much as digits as its factorization.

420230134277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 420230134277 in words is "four hundred twenty billion, two hundred thirty million, one hundred thirty-four thousand, two hundred seventy-seven".