Base | Representation |
---|---|
bin | 11110100101110000000… |
… | …111011101100110111011 |
3 | 21102221221100122222020212 |
4 | 132211300013131212323 |
5 | 233420120210342334 |
6 | 4245411155141335 |
7 | 304605331200143 |
oct | 36456007354673 |
9 | 7387840588225 |
10 | 2102120012219 |
11 | 74055aa434a7 |
12 | 29b4a38a484b |
13 | 1232c934a7c6 |
14 | 73a592c9923 |
15 | 39a333d3ece |
hex | 1e9701dd9bb |
2102120012219 has 2 divisors, whose sum is σ = 2102120012220. Its totient is φ = 2102120012218.
The previous prime is 2102120012119. The next prime is 2102120012221. The reversal of 2102120012219 is 9122100212012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2102120012219 - 236 = 2033400535483 is a prime.
It is a super-2 number, since 2×21021200122192 (a number of 25 digits) contains 22 as substring.
Together with 2102120012221, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2102120012194 and 2102120012203.
It is not a weakly prime, because it can be changed into another prime (2102120012119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051060006109 + 1051060006110.
It is an arithmetic number, because the mean of its divisors is an integer number (1051060006110).
Almost surely, 22102120012219 is an apocalyptic number.
2102120012219 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102120012219 is an equidigital number, since it uses as much as digits as its factorization.
2102120012219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 23.
The spelling of 2102120012219 in words is "two trillion, one hundred two billion, one hundred twenty million, twelve thousand, two hundred nineteen".
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