Base | Representation |
---|---|
bin | 111011101001010010… |
… | …0000000001010011110 |
3 | 110020121120201210000120 |
4 | 1313102210000022132 |
5 | 4044310144023143 |
6 | 134501530335410 |
7 | 12153052012143 |
oct | 1672244001236 |
9 | 406546653016 |
10 | 128086704798 |
11 | 4a359673128 |
12 | 209a7b8a566 |
13 | c1036975b0 |
14 | 62b13403ca |
15 | 34e9dcb383 |
hex | 1dd290029e |
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".
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