Base | Representation |
---|---|
bin | 111011100111011110… |
… | …0110011110000001101 |
3 | 110020110100200200002022 |
4 | 1313032330303300031 |
5 | 4044144140124301 |
6 | 134451523335525 |
7 | 12151414612034 |
oct | 1671674636015 |
9 | 406410620068 |
10 | 128026098701 |
11 | 4a328438946 |
12 | 2098b8215a5 |
13 | c0c3c677b7 |
14 | 62a728571b |
15 | 34e4908d1b |
hex | 1dcef33c0d |
128026098701 has 2 divisors, whose sum is σ = 128026098702. Its totient is φ = 128026098700.
The previous prime is 128026098649. The next prime is 128026098703. The reversal of 128026098701 is 107890620821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 115667329801 + 12358768900 = 340099^2 + 111170^2 .
It is an emirp because it is prime and its reverse (107890620821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 128026098701 - 26 = 128026098637 is a prime.
It is a Sophie Germain prime.
Together with 128026098703, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128026098703) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64013049350 + 64013049351.
It is an arithmetic number, because the mean of its divisors is an integer number (64013049351).
Almost surely, 2128026098701 is an apocalyptic number.
It is an amenable number.
128026098701 is a deficient number, since it is larger than the sum of its proper divisors (1).
128026098701 is an equidigital number, since it uses as much as digits as its factorization.
128026098701 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96768, while the sum is 44.
The spelling of 128026098701 in words is "one hundred twenty-eight billion, twenty-six million, ninety-eight thousand, seven hundred one".
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