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128382555607 = 1911254153597
BaseRepresentation
bin111011110010000110…
…0100101010111010111
3110021101012102120000221
41313210030211113113
54100411413234412
6134551135415211
712163303501015
oct1674414452727
9407335376027
10128382555607
114a4a0673229
1220a6b084507
13c14ca71947
1462dc7538b5
153515d6ab07
hex1de43255d7

128382555607 has 8 divisors (see below), whose sum is σ = 129067414272. Its totient is φ = 127697829600.

The previous prime is 128382555593. The next prime is 128382555661. The reversal of 128382555607 is 706555283821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128382555607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128382558607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368533 + ... + 2422129.

It is an arithmetic number, because the mean of its divisors is an integer number (16133426784).

Almost surely, 2128382555607 is an apocalyptic number.

128382555607 is a deficient number, since it is larger than the sum of its proper divisors (684858665).

128382555607 is a wasteful number, since it uses less digits than its factorization.

128382555607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66329.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 128382555607 in words is "one hundred twenty-eight billion, three hundred eighty-two million, five hundred fifty-five thousand, six hundred seven".

Divisors: 1 191 12541 53597 2395331 10237027 672159977 128382555607