Base | Representation |
---|---|
bin | 100000010011101111011… |
… | …100000000011001000001 |
3 | 21212020202222001012010022 |
4 | 200103233130000121001 |
5 | 242334002334032433 |
6 | 4415542144343225 |
7 | 316256061332465 |
oct | 40235734003101 |
9 | 7766688035108 |
10 | 2220220220993 |
11 | 786654485325 |
12 | 2ba363314b15 |
13 | 13149aa75348 |
14 | 796601c04a5 |
15 | 3cb466bd698 |
hex | 204ef700641 |
2220220220993 has 2 divisors, whose sum is σ = 2220220220994. Its totient is φ = 2220220220992.
The previous prime is 2220220220963. The next prime is 2220220221031. The reversal of 2220220220993 is 3990220220222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1660562122384 + 559658098609 = 1288628^2 + 748103^2 .
It is a cyclic number.
It is not a de Polignac number, because 2220220220993 - 212 = 2220220216897 is a prime.
It is not a weakly prime, because it can be changed into another prime (2220220220923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110110496 + 1110110110497.
It is an arithmetic number, because the mean of its divisors is an integer number (1110110110497).
Almost surely, 22220220220993 is an apocalyptic number.
It is an amenable number.
2220220220993 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220220220993 is an equidigital number, since it uses as much as digits as its factorization.
2220220220993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31104, while the sum is 35.
The spelling of 2220220220993 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, nine hundred ninety-three".
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