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64420144102459 is a prime number
BaseRepresentation
bin11101010010110111110111…
…10011100011110000111011
322110002111122121100000120001
432221123323303203300323
531420424423342234314
6345002112230413431
716366126140044335
oct1651337363436073
9273074577300501
1064420144102459
111958747aa09432
12728507bb01277
1329c3a414a55c2
1411c9d47312455
1576aab0b89674
hex3a96fbce3c3b

64420144102459 has 2 divisors, whose sum is σ = 64420144102460. Its totient is φ = 64420144102458.

The previous prime is 64420144102441. The next prime is 64420144102487. The reversal of 64420144102459 is 95420144102446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64420144102459 - 27 = 64420144102331 is a prime.

It is not a weakly prime, because it can be changed into another prime (64420144102409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32210072051229 + 32210072051230.

It is an arithmetic number, because the mean of its divisors is an integer number (32210072051230).

Almost surely, 264420144102459 is an apocalyptic number.

64420144102459 is a deficient number, since it is larger than the sum of its proper divisors (1).

64420144102459 is an equidigital number, since it uses as much as digits as its factorization.

64420144102459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 64420144102459 in words is "sixty-four trillion, four hundred twenty billion, one hundred forty-four million, one hundred two thousand, four hundred fifty-nine".