Base | Representation |
---|---|
bin | 1101101111100011000001… |
… | …01011111101101011110011 |
3 | 10222000002201021211021110221 |
4 | 12313301200223331223303 |
5 | 12430120113040012433 |
6 | 144135201414033511 |
7 | 6236252564563354 |
oct | 667614053755363 |
9 | 128002637737427 |
10 | 30221012032243 |
11 | 96a172848305a |
12 | 348104b948897 |
13 | 13b2aa19c6aa6 |
14 | 7669c1d13d2b |
15 | 3761b7c7572d |
hex | 1b7c60afdaf3 |
30221012032243 has 2 divisors, whose sum is σ = 30221012032244. Its totient is φ = 30221012032242.
The previous prime is 30221012032199. The next prime is 30221012032273. The reversal of 30221012032243 is 34223021012203.
It is a strong prime.
It is an emirp because it is prime and its reverse (34223021012203) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30221012032243 is a prime.
It is a super-2 number, since 2×302210120322432 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30221012032273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110506016121 + 15110506016122.
It is an arithmetic number, because the mean of its divisors is an integer number (15110506016122).
Almost surely, 230221012032243 is an apocalyptic number.
30221012032243 is a deficient number, since it is larger than the sum of its proper divisors (1).
30221012032243 is an equidigital number, since it uses as much as digits as its factorization.
30221012032243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 30221012032243 its reverse (34223021012203), we get a palindrome (64444033044446).
The spelling of 30221012032243 in words is "thirty trillion, two hundred twenty-one billion, twelve million, thirty-two thousand, two hundred forty-three".
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