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128064527 is a prime number
BaseRepresentation
bin1111010001000…
…01110000001111
322220222100111122
413220201300033
5230241031102
620412511155
73113346653
oct750416017
9286870448
10128064527
116631a858
1236a7b4bb
13206bb836
1413018a63
15b39a0a2
hex7a21c0f

128064527 has 2 divisors, whose sum is σ = 128064528. Its totient is φ = 128064526.

The previous prime is 128064523. The next prime is 128064533. The reversal of 128064527 is 725460821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128064527 - 22 = 128064523 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128064523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64032263 + 64032264.

It is an arithmetic number, because the mean of its divisors is an integer number (64032264).

Almost surely, 2128064527 is an apocalyptic number.

128064527 is a deficient number, since it is larger than the sum of its proper divisors (1).

128064527 is an equidigital number, since it uses as much as digits as its factorization.

128064527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 128064527 is about 11316.5598571297. The cubic root of 128064527 is about 504.0530921121.

The spelling of 128064527 in words is "one hundred twenty-eight million, sixty-four thousand, five hundred twenty-seven".