Base | Representation |
---|---|
bin | 101010011000010… |
… | …0001001111011101 |
3 | 10200002202100102202 |
4 | 1110300201033131 |
5 | 10403013131323 |
6 | 353034301245 |
7 | 50144562536 |
oct | 12460411735 |
9 | 3602670382 |
10 | 1422005213 |
11 | 66a759622 |
12 | 338287825 |
13 | 1987b4805 |
14 | d6bdd68d |
15 | 84c8ed28 |
hex | 54c213dd |
1422005213 has 2 divisors, whose sum is σ = 1422005214. Its totient is φ = 1422005212.
The previous prime is 1422005183. The next prime is 1422005281. The reversal of 1422005213 is 3125002241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1398984409 + 23020804 = 37403^2 + 4798^2 .
It is an emirp because it is prime and its reverse (3125002241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1422005213 - 26 = 1422005149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1422005713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711002606 + 711002607.
It is an arithmetic number, because the mean of its divisors is an integer number (711002607).
Almost surely, 21422005213 is an apocalyptic number.
It is an amenable number.
1422005213 is a deficient number, since it is larger than the sum of its proper divisors (1).
1422005213 is an equidigital number, since it uses as much as digits as its factorization.
1422005213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1422005213 is about 37709.4843905350. The cubic root of 1422005213 is about 1124.5196864512.
Adding to 1422005213 its reverse (3125002241), we get a palindrome (4547007454).
The spelling of 1422005213 in words is "one billion, four hundred twenty-two million, five thousand, two hundred thirteen".
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