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64460770271 is a prime number
BaseRepresentation
bin111100000010001010…
…010100101111011111
320011101101022102011222
4330002022110233133
52024003424122041
645340214003555
74441253335562
oct740212245737
9204341272158
1064460770271
1125379473867
12105ab9465bb
136103979921
1431970aa4d9
151a2419274b
hexf02294bdf

64460770271 has 2 divisors, whose sum is σ = 64460770272. Its totient is φ = 64460770270.

The previous prime is 64460770237. The next prime is 64460770273. The reversal of 64460770271 is 17207706446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64460770271 is a prime.

Together with 64460770273, 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 (64460770273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32230385135 + 32230385136.

It is an arithmetic number, because the mean of its divisors is an integer number (32230385136).

Almost surely, 264460770271 is an apocalyptic number.

64460770271 is a deficient number, since it is larger than the sum of its proper divisors (1).

64460770271 is an equidigital number, since it uses as much as digits as its factorization.

64460770271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 64460770271 in words is "sixty-four billion, four hundred sixty million, seven hundred seventy thousand, two hundred seventy-one".