Base | Representation |
---|---|
bin | 10001100111111101000… |
… | …110011001000100000000 |
3 | 11021210010212202110121222 |
4 | 101213331012121010000 |
5 | 124320344310340334 |
6 | 2324215244334212 |
7 | 153333661113215 |
oct | 21477506310400 |
9 | 4253125673558 |
10 | 1211132121344 |
11 | 427702565682 |
12 | 176885844368 |
13 | 8a2949c1562 |
14 | 42894b8bb0c |
15 | 21787176d2e |
hex | 119fd199100 |
1211132121344 has 18 divisors (see below), whose sum is σ = 2417533258350. Its totient is φ = 605566060544.
The previous prime is 1211132121323. The next prime is 1211132121373. The reversal of 1211132121344 is 4431212311121.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 762617958400 + 448514162944 = 873280^2 + 669712^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2365492169 + ... + 2365492680.
Almost surely, 21211132121344 is an apocalyptic number.
It is an amenable number.
1211132121344 is a deficient number, since it is larger than the sum of its proper divisors (1206401137006).
1211132121344 is an frugal number, since it uses more digits than its factorization.
1211132121344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4730984865 (or 4730984851 counting only the distinct ones).
The product of its digits is 1152, while the sum is 26.
Adding to 1211132121344 its reverse (4431212311121), we get a palindrome (5642344432465).
The spelling of 1211132121344 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred forty-four".
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