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128086704798 = 23134015340897
BaseRepresentation
bin111011101001010010…
…0000000001010011110
3110020121120201210000120
41313102210000022132
54044310144023143
6134501530335410
712153052012143
oct1672244001236
9406546653016
10128086704798
114a359673128
12209a7b8a566
13c1036975b0
1462b13403ca
1534e9dcb383
hex1dd290029e

128086704798 has 32 divisors (see below), whose sum is σ = 275892673056. Its totient is φ = 39409348608.

The previous prime is 128086704791. The next prime is 128086704839. The reversal of 128086704798 is 897407680821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128086704791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3111486 + ... + 3152382.

It is an arithmetic number, because the mean of its divisors is an integer number (8621646033).

Almost surely, 2128086704798 is an apocalyptic number.

128086704798 is an abundant number, since it is smaller than the sum of its proper divisors (147805968258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128086704798 is a wasteful number, since it uses less digits than its factorization.

128086704798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81068.

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 128086704798 in words is "one hundred twenty-eight billion, eighty-six million, seven hundred four thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 40153 40897 80306 81794 120459 122691 240918 245382 521989 531661 1043978 1063322 1565967 1594983 3131934 3189966 1642137241 3284274482 4926411723 9852823446 21347784133 42695568266 64043352399 128086704798