Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …101111101101010001010 |
3 | 11022211110101220202212122 |
4 | 101302022331331222022 |
5 | 130010331131224320 |
6 | 2333232003411242 |
7 | 154202555253416 |
oct | 21621275755212 |
9 | 4284411822778 |
10 | 1222102211210 |
11 | 431321924551 |
12 | 178a27683b22 |
13 | 8b322675aaa |
14 | 43215ab3d46 |
15 | 21bca2a8d25 |
hex | 11c8af7da8a |
1222102211210 has 8 divisors (see below), whose sum is σ = 2199783980196. Its totient is φ = 488840884480.
The previous prime is 1222102211201. The next prime is 1222102211233. The reversal of 1222102211210 is 121122012221.
It can be written as a sum of positive squares in 2 ways, for example, as 1212766980049 + 9335231161 = 1101257^2 + 96619^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61105110551 + ... + 61105110570.
Almost surely, 21222102211210 is an apocalyptic number.
1222102211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222102211210 is a deficient number, since it is larger than the sum of its proper divisors (977681768986).
1222102211210 is a wasteful number, since it uses less digits than its factorization.
1222102211210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122210221128.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1222102211210 its reverse (121122012221), we get a palindrome (1343224223431).
The spelling of 1222102211210 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two hundred eleven thousand, two hundred ten".
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