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64042952123 is a prime number
BaseRepresentation
bin111011101001010000…
…011110010110111011
320010022021010001102202
4323221100132112323
52022124443431443
645230530420415
74425021053063
oct735120362673
9203267101382
1064042952123
1125184638907
12104b3a3170b
13606823a057
1431577c83a3
1519ec65e7b8
hexee941e5bb

64042952123 has 2 divisors, whose sum is σ = 64042952124. Its totient is φ = 64042952122.

The previous prime is 64042952087. The next prime is 64042952131. The reversal of 64042952123 is 32125924046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64042952123 - 210 = 64042951099 is a prime.

It is not a weakly prime, because it can be changed into another prime (64042954123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32021476061 + 32021476062.

It is an arithmetic number, because the mean of its divisors is an integer number (32021476062).

Almost surely, 264042952123 is an apocalyptic number.

64042952123 is a deficient number, since it is larger than the sum of its proper divisors (1).

64042952123 is an equidigital number, since it uses as much as digits as its factorization.

64042952123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 64042952123 in words is "sixty-four billion, forty-two million, nine hundred fifty-two thousand, one hundred twenty-three".