Base | Representation |
---|---|
bin | 1001001111000110101110… |
… | …00010110011101101011011 |
3 | 2122220122012200100111210201 |
4 | 10213203113002303231123 |
5 | 10130230304040304034 |
6 | 111110214431523031 |
7 | 4164236005564432 |
oct | 447432702635533 |
9 | 78818180314721 |
10 | 20310213213019 |
11 | 6520570966454 |
12 | 2340309389477 |
13 | b44325032252 |
14 | 50303b984119 |
15 | 2534adebc014 |
hex | 1278d70b3b5b |
20310213213019 has 2 divisors, whose sum is σ = 20310213213020. Its totient is φ = 20310213213018.
The previous prime is 20310213213013. The next prime is 20310213213023. The reversal of 20310213213019 is 91031231201302.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20310213213019 - 211 = 20310213210971 is a prime.
It is a super-2 number, since 2×203102132130192 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20310213213013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155106606509 + 10155106606510.
It is an arithmetic number, because the mean of its divisors is an integer number (10155106606510).
Almost surely, 220310213213019 is an apocalyptic number.
20310213213019 is a deficient number, since it is larger than the sum of its proper divisors (1).
20310213213019 is an equidigital number, since it uses as much as digits as its factorization.
20310213213019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1944, while the sum is 28.
The spelling of 20310213213019 in words is "twenty trillion, three hundred ten billion, two hundred thirteen million, two hundred thirteen thousand, nineteen".
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