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128048563 is a prime number
BaseRepresentation
bin1111010000111…
…01110110110011
322220221112121101
413220131312303
5230240023223
620412305231
73113252266
oct750356663
9286845541
10128048563
1166309865
1236a72217
13206b44a6
1413012cdd
15b3954ad
hex7a1ddb3

128048563 has 2 divisors, whose sum is σ = 128048564. Its totient is φ = 128048562.

The previous prime is 128048509. The next prime is 128048579. The reversal of 128048563 is 365840821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128048563 - 221 = 125951411 is a prime.

It is not a weakly prime, because it can be changed into another prime (128048593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64024281 + 64024282.

It is an arithmetic number, because the mean of its divisors is an integer number (64024282).

Almost surely, 2128048563 is an apocalyptic number.

128048563 is a deficient number, since it is larger than the sum of its proper divisors (1).

128048563 is an equidigital number, since it uses as much as digits as its factorization.

128048563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 128048563 is about 11315.8544971204. The cubic root of 128048563 is about 504.0321468430.

The spelling of 128048563 in words is "one hundred twenty-eight million, forty-eight thousand, five hundred sixty-three".