Base | Representation |
---|---|
bin | 1101101111000000000010… |
… | …01100010100001010101101 |
3 | 10221221022020100011202110001 |
4 | 12313200001030110022231 |
5 | 12424313131341443041 |
6 | 144122413554344301 |
7 | 6235016262320326 |
oct | 667400114241255 |
9 | 127838210152401 |
10 | 30202230031021 |
11 | 969476a5335a4 |
12 | 347948988b091 |
13 | 13b109a775bb9 |
14 | 765b1d6c544d |
15 | 375968ded131 |
hex | 1b78013142ad |
30202230031021 has 8 divisors (see below), whose sum is σ = 30527001743840. Its totient is φ = 29878993882512.
The previous prime is 30202230030977. The next prime is 30202230031031. The reversal of 30202230031021 is 12013003220203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30202230031021 - 217 = 30202229899949 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30202230031021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202230031031) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 383851530 + ... + 383930203.
It is an arithmetic number, because the mean of its divisors is an integer number (3815875217980).
Almost surely, 230202230031021 is an apocalyptic number.
It is an amenable number.
30202230031021 is a deficient number, since it is larger than the sum of its proper divisors (324771712819).
30202230031021 is a wasteful number, since it uses less digits than its factorization.
30202230031021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 767782155.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30202230031021 its reverse (12013003220203), we get a palindrome (42215233251224).
The spelling of 30202230031021 in words is "thirty trillion, two hundred two billion, two hundred thirty million, thirty-one thousand, twenty-one".
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