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128598452459 is a prime number
BaseRepresentation
bin111011111000100010…
…0001010100011101011
3110021221020200020211122
41313301010022203223
54101332200434314
6135024411045455
712201534544631
oct1676104124353
9407836606748
10128598452459
114a5a1523784
1220b0b44088b
13c185703869
14631d2b3351
153529cb528e
hex1df110a8eb

128598452459 has 2 divisors, whose sum is σ = 128598452460. Its totient is φ = 128598452458.

The previous prime is 128598452453. The next prime is 128598452483. The reversal of 128598452459 is 954254895821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128598452459 is a prime.

It is not a weakly prime, because it can be changed into another prime (128598452453) 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, 64299226229 + 64299226230.

It is an arithmetic number, because the mean of its divisors is an integer number (64299226230).

Almost surely, 2128598452459 is an apocalyptic number.

128598452459 is a deficient number, since it is larger than the sum of its proper divisors (1).

128598452459 is an equidigital number, since it uses as much as digits as its factorization.

128598452459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472000, while the sum is 62.

The spelling of 128598452459 in words is "one hundred twenty-eight billion, five hundred ninety-eight million, four hundred fifty-two thousand, four hundred fifty-nine".