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68202342337 is a prime number
BaseRepresentation
bin111111100001001011…
…010010011111000001
320112001010201222011011
4333201023102133001
52104134244423322
651155352520521
74633055226133
oct774113223701
9215033658134
1068202342337
1126a19498288
12112749b0141
13657bb977ac
14342dd8d053
151b928bb677
hexfe12d27c1

68202342337 has 2 divisors, whose sum is σ = 68202342338. Its totient is φ = 68202342336.

The previous prime is 68202342323. The next prime is 68202342343. The reversal of 68202342337 is 73324320286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37011603456 + 31190738881 = 192384^2 + 176609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68202342337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68202342337.

It is not a weakly prime, because it can be changed into another prime (68202342137) 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, 34101171168 + 34101171169.

It is an arithmetic number, because the mean of its divisors is an integer number (34101171169).

Almost surely, 268202342337 is an apocalyptic number.

It is an amenable number.

68202342337 is a deficient number, since it is larger than the sum of its proper divisors (1).

68202342337 is an equidigital number, since it uses as much as digits as its factorization.

68202342337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 68202342337 in words is "sixty-eight billion, two hundred two million, three hundred forty-two thousand, three hundred thirty-seven".