4588999964587621573861#includeusing namespace std;typedef long long LL;const int maxn=2e8+5;bool done[maxn];void is_prime(){memset(done,true,sizeof(done));done[0]=done[1]=false;for(LL i=2;1l*i*i<maxn;i++){if(done) {for(LL j=1l*i*i;j<maxn;j+=i)done[j]=false;}}}int main(){is_prime();int cnt=10000000;for(int i=2;i<=maxn;i++){if(done) cnt--;if(cnt==0) {cout<<i<<endl;break;}}return 0;}the number is: 179424673
