Base | Representation |
---|---|
bin | 100100011011111… |
… | …1101111001110011 |
3 | 10011012121002110122 |
4 | 1020313331321303 |
5 | 10000443143102 |
6 | 321153120455 |
7 | 42204122642 |
oct | 11067757163 |
9 | 3135532418 |
10 | 1222631027 |
11 | 578163872 |
12 | 2a155912b |
13 | 1663b9317 |
14 | b8541359 |
15 | 7250b0a2 |
hex | 48dfde73 |
1222631027 has 2 divisors, whose sum is σ = 1222631028. Its totient is φ = 1222631026.
The previous prime is 1222631017. The next prime is 1222631089. The reversal of 1222631027 is 7201362221.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1222631027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1222630987 and 1222631005.
It is not a weakly prime, because it can be changed into another prime (1222631017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611315513 + 611315514.
It is an arithmetic number, because the mean of its divisors is an integer number (611315514).
Almost surely, 21222631027 is an apocalyptic number.
1222631027 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222631027 is an equidigital number, since it uses as much as digits as its factorization.
1222631027 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 1222631027 is about 34966.1411511193. The cubic root of 1222631027 is about 1069.2973017433.
Adding to 1222631027 its reverse (7201362221), we get a palindrome (8423993248).
The spelling of 1222631027 in words is "one billion, two hundred twenty-two million, six hundred thirty-one thousand, twenty-seven".
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