Base | Representation |
---|---|
bin | 1100110000001… |
… | …11010011101001 |
3 | 21110022101101121 |
4 | 12120013103221 |
5 | 204342002211 |
6 | 14341015241 |
7 | 2436232456 |
oct | 630072351 |
9 | 243271347 |
10 | 106984681 |
11 | 554321a1 |
12 | 2b9b4521 |
13 | 1921aa5b |
14 | 102cc82d |
15 | 95d4271 |
hex | 66074e9 |
106984681 has 2 divisors, whose sum is σ = 106984682. Its totient is φ = 106984680.
The previous prime is 106984651. The next prime is 106984693. The reversal of 106984681 is 186489601.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 106936281 + 48400 = 10341^2 + 220^2 .
It is an emirp because it is prime and its reverse (186489601) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 106984681 - 211 = 106982633 is a prime.
It is a super-2 number, since 2×1069846812 = 22891443937343522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (106984601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53492340 + 53492341.
It is an arithmetic number, because the mean of its divisors is an integer number (53492341).
Almost surely, 2106984681 is an apocalyptic number.
It is an amenable number.
106984681 is a deficient number, since it is larger than the sum of its proper divisors (1).
106984681 is an equidigital number, since it uses as much as digits as its factorization.
106984681 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 106984681 is about 10343.3399344699. The cubic root of 106984681 is about 474.7232825933.
The spelling of 106984681 in words is "one hundred six million, nine hundred eighty-four thousand, six hundred eighty-one".
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