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128960730005 = 567834638041
BaseRepresentation
bin111100000011010101…
…0001001001110010101
3110022212111100212012112
41320012222021032111
54103102421330010
6135124352000405
712213524055452
oct1700652111625
9408774325175
10128960730005
114a767a74208
1220bb0830105
13c212798183
146355458829
15354b9c6a05
hex1e06a89395

128960730005 has 16 divisors (see below), whose sum is σ = 158954975424. Its totient is φ = 100404289920.

The previous prime is 128960729959. The next prime is 128960730037. The reversal of 128960730005 is 500037069821.

It is not a de Polignac number, because 128960730005 - 218 = 128960467861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2291216 + ... + 2346825.

It is an arithmetic number, because the mean of its divisors is an integer number (9934685964).

Almost surely, 2128960730005 is an apocalyptic number.

It is an amenable number.

128960730005 is a deficient number, since it is larger than the sum of its proper divisors (29994245419).

128960730005 is an equidigital number, since it uses as much as digits as its factorization.

128960730005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638196.

The product of its (nonzero) digits is 90720, while the sum is 41.

Adding to 128960730005 its reverse (500037069821), we get a palindrome (628997799826).

The spelling of 128960730005 in words is "one hundred twenty-eight billion, nine hundred sixty million, seven hundred thirty thousand, five".

Divisors: 1 5 67 83 335 415 5561 27805 4638041 23190205 310748747 384957403 1553743735 1924787015 25792146001 128960730005