Base | Representation |
---|---|
bin | 1000100111010000111001… |
… | …00101100010000000000001 |
3 | 2111001202202202010010211001 |
4 | 10103220130211202000001 |
5 | 4440313223024013001 |
6 | 104141301213252001 |
7 | 3663314465140012 |
oct | 423503445420001 |
9 | 74052682103731 |
10 | 18941285376001 |
11 | 6042a548840aa |
12 | 215ab46194001 |
13 | a75203975841 |
14 | 496a97d57009 |
15 | 22ca8db6e001 |
hex | 113a1c962001 |
18941285376001 has 2 divisors, whose sum is σ = 18941285376002. Its totient is φ = 18941285376000.
The previous prime is 18941285375941. The next prime is 18941285376011. The reversal of 18941285376001 is 10067358214981.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10260483833601 + 8680801542400 = 3203199^2 + 2946320^2 .
It is a cyclic number.
It is not a de Polignac number, because 18941285376001 - 29 = 18941285375489 is a prime.
It is not a weakly prime, because it can be changed into another prime (18941285376011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9470642688000 + 9470642688001.
It is an arithmetic number, because the mean of its divisors is an integer number (9470642688001).
It is a 1-persistent number, because it is pandigital, but 2⋅18941285376001 = 37882570752002 is not.
Almost surely, 218941285376001 is an apocalyptic number.
It is an amenable number.
18941285376001 is a deficient number, since it is larger than the sum of its proper divisors (1).
18941285376001 is an equidigital number, since it uses as much as digits as its factorization.
18941285376001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2903040, while the sum is 55.
The spelling of 18941285376001 in words is "eighteen trillion, nine hundred forty-one billion, two hundred eighty-five million, three hundred seventy-six thousand, one".
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