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281680069422701 is a prime number
BaseRepresentation
bin100000000001011111100000…
…0011110100110111001101101
31100221100100111100111200012202
41000002333000132212321231
5243410021240233011301
62435030012032311245
7113221466465054315
oct10002770036467155
91327310440450182
10281680069422701
118182a934894294
12277135993a2525
13c123416677a51
144d7b560d52445
1522872296e066b
hex1002fc07a6e6d

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".