Base | Representation |
---|---|
bin | 1011000111010011100010… |
… | …0000100010111100111101 |
3 | 1121021020021212112101211111 |
4 | 2301310320200202330331 |
5 | 3100203311240403424 |
6 | 41553503352122021 |
7 | 2400606133160023 |
oct | 261647040427475 |
9 | 47236255471744 |
10 | 12220130012989 |
11 | 39915898a5778 |
12 | 1454414996311 |
13 | 6a8479308042 |
14 | 30365934a713 |
15 | 162d18743194 |
hex | b1d38822f3d |
12220130012989 has 2 divisors, whose sum is σ = 12220130012990. Its totient is φ = 12220130012988.
The previous prime is 12220130012969. The next prime is 12220130013011. The reversal of 12220130012989 is 98921003102221.
12220130012989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10334026056964 + 1886103956025 = 3214658^2 + 1373355^2 .
It is a cyclic number.
It is not a de Polignac number, because 12220130012989 - 219 = 12220129488701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12220130012969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110065006494 + 6110065006495.
It is an arithmetic number, because the mean of its divisors is an integer number (6110065006495).
Almost surely, 212220130012989 is an apocalyptic number.
It is an amenable number.
12220130012989 is a deficient number, since it is larger than the sum of its proper divisors (1).
12220130012989 is an equidigital number, since it uses as much as digits as its factorization.
12220130012989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31104, while the sum is 40.
The spelling of 12220130012989 in words is "twelve trillion, two hundred twenty billion, one hundred thirty million, twelve thousand, nine hundred eighty-nine".
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