Base | Representation |
---|---|
bin | 10110100011110111… |
… | …01100001111000011 |
3 | 1011021002220101110212 |
4 | 23101323230033003 |
5 | 144301134123134 |
6 | 5321510344335 |
7 | 606101321612 |
oct | 132173541703 |
9 | 34232811425 |
10 | 12112020419 |
11 | 5155a13234 |
12 | 242035b0ab |
13 | 11b04266b5 |
14 | 82c85b879 |
15 | 4ad4ebbce |
hex | 2d1eec3c3 |
12112020419 has 2 divisors, whose sum is σ = 12112020420. Its totient is φ = 12112020418.
The previous prime is 12112020397. The next prime is 12112020443. The reversal of 12112020419 is 91402021121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12112020419 - 28 = 12112020163 is a prime.
It is a super-2 number, since 2×121120204192 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12112020394 and 12112020403.
It is not a weakly prime, because it can be changed into another prime (12112020119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056010209 + 6056010210.
It is an arithmetic number, because the mean of its divisors is an integer number (6056010210).
Almost surely, 212112020419 is an apocalyptic number.
12112020419 is a deficient number, since it is larger than the sum of its proper divisors (1).
12112020419 is an equidigital number, since it uses as much as digits as its factorization.
12112020419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 23.
The spelling of 12112020419 in words is "twelve billion, one hundred twelve million, twenty thousand, four hundred nineteen".
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