Base | Representation |
---|---|
bin | 100000000001011111100000… |
… | …0011110100110111001101101 |
3 | 1100221100100111100111200012202 |
4 | 1000002333000132212321231 |
5 | 243410021240233011301 |
6 | 2435030012032311245 |
7 | 113221466465054315 |
oct | 10002770036467155 |
9 | 1327310440450182 |
10 | 281680069422701 |
11 | 8182a934894294 |
12 | 277135993a2525 |
13 | c123416677a51 |
14 | 4d7b560d52445 |
15 | 22872296e066b |
hex | 1002fc07a6e6d |
281680069422701 has 2 divisors, whose sum is σ = 281680069422702. Its totient is φ = 281680069422700.
The previous prime is 281680069422683. The next prime is 281680069422797. The reversal of 281680069422701 is 107224960086182.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 280128039324676 + 1552030098025 = 16737026^2 + 1245805^2 .
It is a cyclic number.
It is not a de Polignac number, because 281680069422701 - 26 = 281680069422637 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (281680069422601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140840034711350 + 140840034711351.
It is an arithmetic number, because the mean of its divisors is an integer number (140840034711351).
Almost surely, 2281680069422701 is an apocalyptic number.
It is an amenable number.
281680069422701 is a deficient number, since it is larger than the sum of its proper divisors (1).
281680069422701 is an equidigital number, since it uses as much as digits as its factorization.
281680069422701 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4644864, while the sum is 56.
The spelling of 281680069422701 in words is "two hundred eighty-one trillion, six hundred eighty billion, sixty-nine million, four hundred twenty-two thousand, seven hundred one".
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