Base | Representation |
---|---|
bin | 101010010110011… |
… | …0110100111111111 |
3 | 10200000221112012112 |
4 | 1110230312213333 |
5 | 10402241403343 |
6 | 353001524235 |
7 | 50133451034 |
oct | 12454664777 |
9 | 3600845175 |
10 | 1421044223 |
11 | 66a162615 |
12 | 337aa367b |
13 | 198539291 |
14 | d6a2d38b |
15 | 84b50218 |
hex | 54b369ff |
1421044223 has 2 divisors, whose sum is σ = 1421044224. Its totient is φ = 1421044222.
The previous prime is 1421044217. The next prime is 1421044231. The reversal of 1421044223 is 3224401241.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1421044223 - 210 = 1421043199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1421044253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710522111 + 710522112.
It is an arithmetic number, because the mean of its divisors is an integer number (710522112).
Almost surely, 21421044223 is an apocalyptic number.
1421044223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1421044223 is an equidigital number, since it uses as much as digits as its factorization.
1421044223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 1421044223 is about 37696.7402171594. The cubic root of 1421044223 is about 1124.2663128608.
Adding to 1421044223 its reverse (3224401241), we get a palindrome (4645445464).
The spelling of 1421044223 in words is "one billion, four hundred twenty-one million, forty-four thousand, two hundred twenty-three".
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