Base | Representation |
---|---|
bin | 1100010111010100111… |
… | …0011100111010011011 |
3 | 202022021220221011102222 |
4 | 3011311032130322123 |
5 | 11440014022321334 |
6 | 241330124214255 |
7 | 21226653142016 |
oct | 3056516347233 |
9 | 668256834388 |
10 | 212420120219 |
11 | 820a569036a |
12 | 3520309a38b |
13 | 1705351b338 |
14 | a3d182037d |
15 | 57d3a2ed2e |
hex | 317539ce9b |
212420120219 has 2 divisors, whose sum is σ = 212420120220. Its totient is φ = 212420120218.
The previous prime is 212420120201. The next prime is 212420120273. The reversal of 212420120219 is 912021024212.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212420120219 is a prime.
It is a super-2 number, since 2×2124201202192 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (212420120279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106210060109 + 106210060110.
It is an arithmetic number, because the mean of its divisors is an integer number (106210060110).
Almost surely, 2212420120219 is an apocalyptic number.
212420120219 is a deficient number, since it is larger than the sum of its proper divisors (1).
212420120219 is an equidigital number, since it uses as much as digits as its factorization.
212420120219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 26.
The spelling of 212420120219 in words is "two hundred twelve billion, four hundred twenty million, one hundred twenty thousand, two hundred nineteen".
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