Base | Representation |
---|---|
bin | 1010111011101110110101… |
… | …1101000110001101100101 |
3 | 1120120020002020011012000010 |
4 | 2232323231131012031211 |
5 | 3033424111343301041 |
6 | 41322302100440433 |
7 | 2350340035530426 |
oct | 256735535061545 |
9 | 46506066135003 |
10 | 12021302322021 |
11 | 3915229847713 |
12 | 14219859a9119 |
13 | 6927b0b36365 |
14 | 2d7b96c2b64d |
15 | 15ca7d189a16 |
hex | aeeed746365 |
12021302322021 has 8 divisors (see below), whose sum is σ = 16028457789760. Its totient is φ = 8014174201152.
The previous prime is 12021302321921. The next prime is 12021302322031. The reversal of 12021302322021 is 12022320312021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12021302322021 - 214 = 12021302305637 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12021302322031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788036 + ... + 7585773.
It is an arithmetic number, because the mean of its divisors is an integer number (2003557223720).
Almost surely, 212021302322021 is an apocalyptic number.
It is an amenable number.
12021302322021 is a deficient number, since it is larger than the sum of its proper divisors (4007155467739).
12021302322021 is a wasteful number, since it uses less digits than its factorization.
12021302322021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13673435.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 12021302322021 its reverse (12022320312021), we get a palindrome (24043622634042).
The spelling of 12021302322021 in words is "twelve trillion, twenty-one billion, three hundred two million, three hundred twenty-two thousand, twenty-one".
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