Base | Representation |
---|---|
bin | 1011000000100000011011… |
… | …1000001000111110111001 |
3 | 1120212001211002202120200011 |
4 | 2300020012320020332321 |
5 | 3041300111301022111 |
6 | 41424110003341521 |
7 | 2356302610623262 |
oct | 260100670107671 |
9 | 46761732676604 |
10 | 12103333220281 |
11 | 3946aa4084706 |
12 | 14358599818a1 |
13 | 69a454943304 |
14 | 2dbb395c5969 |
15 | 15ec7eac1021 |
hex | b0206e08fb9 |
12103333220281 has 2 divisors, whose sum is σ = 12103333220282. Its totient is φ = 12103333220280.
The previous prime is 12103333220213. The next prime is 12103333220323. The reversal of 12103333220281 is 18202233330121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11661480541881 + 441852678400 = 3414891^2 + 664720^2 .
It is an emirp because it is prime and its reverse (18202233330121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12103333220281 - 221 = 12103331123129 is a prime.
It is a super-2 number, since 2×121033332202812 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12103333220681) 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 as a sum of consecutive naturals, namely, 6051666610140 + 6051666610141.
It is an arithmetic number, because the mean of its divisors is an integer number (6051666610141).
Almost surely, 212103333220281 is an apocalyptic number.
It is an amenable number.
12103333220281 is a deficient number, since it is larger than the sum of its proper divisors (1).
12103333220281 is an equidigital number, since it uses as much as digits as its factorization.
12103333220281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
The spelling of 12103333220281 in words is "twelve trillion, one hundred three billion, three hundred thirty-three million, two hundred twenty thousand, two hundred eighty-one".
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