Base | Representation |
---|---|
bin | 10001110001011011010… |
… | …010010001110100110010 |
3 | 11022202101122121112101212 |
4 | 101301123102101310302 |
5 | 130002211332332242 |
6 | 2333020345200122 |
7 | 154144002446546 |
oct | 21613322216462 |
9 | 4282348545355 |
10 | 1221302230322 |
11 | 430a512a7019 |
12 | 178843790042 |
13 | 8b2259cb815 |
14 | 4317b751a26 |
15 | 21b7ee37782 |
hex | 11c5b491d32 |
1221302230322 has 32 divisors (see below), whose sum is σ = 1945871351424. Its totient is φ = 572907974400.
The previous prime is 1221302230301. The next prime is 1221302230361. The reversal of 1221302230322 is 2230322031221.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27002747 + ... + 27047937.
It is an arithmetic number, because the mean of its divisors is an integer number (60808479732).
Almost surely, 21221302230322 is an apocalyptic number.
1221302230322 is a deficient number, since it is larger than the sum of its proper divisors (724569121102).
1221302230322 is a wasteful number, since it uses less digits than its factorization.
1221302230322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47714.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 1221302230322 its reverse (2230322031221), we get a palindrome (3451624261543).
The spelling of 1221302230322 in words is "one trillion, two hundred twenty-one billion, three hundred two million, two hundred thirty thousand, three hundred twenty-two".
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