Base | Representation |
---|---|
bin | 100111010110000… |
… | …1110110111101101 |
3 | 10102000020000202102 |
4 | 1032230032313231 |
5 | 10200433434333 |
6 | 335000504445 |
7 | 44500445225 |
oct | 11654166755 |
9 | 3360200672 |
10 | 1320218093 |
11 | 618257437 |
12 | 30a17b125 |
13 | 18069674c |
14 | c74a5085 |
15 | 7ad85ae8 |
hex | 4eb0eded |
1320218093 has 2 divisors, whose sum is σ = 1320218094. Its totient is φ = 1320218092.
The previous prime is 1320218077. The next prime is 1320218099. The reversal of 1320218093 is 3908120231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 676936324 + 643281769 = 26018^2 + 25363^2 .
It is a cyclic number.
It is not a de Polignac number, because 1320218093 - 24 = 1320218077 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1320218099) 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, 660109046 + 660109047.
It is an arithmetic number, because the mean of its divisors is an integer number (660109047).
Almost surely, 21320218093 is an apocalyptic number.
It is an amenable number.
1320218093 is a deficient number, since it is larger than the sum of its proper divisors (1).
1320218093 is an equidigital number, since it uses as much as digits as its factorization.
1320218093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 1320218093 is about 36334.8055313359. The cubic root of 1320218093 is about 1097.0217211957.
The spelling of 1320218093 in words is "one billion, three hundred twenty million, two hundred eighteen thousand, ninety-three".
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