Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …110010110010100011111 |
3 | 11022211110102002220102212 |
4 | 101302022332112110133 |
5 | 130010331142442343 |
6 | 2333232005511035 |
7 | 154202556154052 |
oct | 21621276262437 |
9 | 4284412086385 |
10 | 1222102312223 |
11 | 431321993431 |
12 | 178a2771247b |
13 | 8b3226aca70 |
14 | 43215adca99 |
15 | 21bca2c8c18 |
hex | 11c8af9651f |
1222102312223 has 16 divisors (see below), whose sum is σ = 1358754200832. Its totient is φ = 1091552544000.
The previous prime is 1222102312187. The next prime is 1222102312237. The reversal of 1222102312223 is 3222132012221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1222102312223 - 212 = 1222102308127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222102312523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2743253 + ... + 3157473.
It is an arithmetic number, because the mean of its divisors is an integer number (84922137552).
Almost surely, 21222102312223 is an apocalyptic number.
1222102312223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1222102312223 is a deficient number, since it is larger than the sum of its proper divisors (136651888609).
1222102312223 is a wasteful number, since it uses less digits than its factorization.
1222102312223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421586.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 1222102312223 its reverse (3222132012221), we get a palindrome (4444234324444).
The spelling of 1222102312223 in words is "one trillion, two hundred twenty-two billion, one hundred two million, three hundred twelve thousand, two hundred twenty-three".
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