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68011344770231 is a prime number
BaseRepresentation
bin11110111011011001000000…
…00010111011010010110111
322220210211011112221221220202
433131230200002323102313
532403244213230121411
6400351551440151115
720216441345053562
oct1735544002732267
9286724145857822
1068011344770231
111a7414a4086105
12776507990849b
132bc4599941935
1412b1aa39914d9
157ce1e79ab83b
hex3ddb200bb4b7

68011344770231 has 2 divisors, whose sum is σ = 68011344770232. Its totient is φ = 68011344770230.

The previous prime is 68011344770147. The next prime is 68011344770251. The reversal of 68011344770231 is 13207744311086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68011344770231 - 226 = 68011277661367 is a prime.

It is a super-2 number, since 2×680113447702312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68011344770251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34005672385115 + 34005672385116.

It is an arithmetic number, because the mean of its divisors is an integer number (34005672385116).

Almost surely, 268011344770231 is an apocalyptic number.

68011344770231 is a deficient number, since it is larger than the sum of its proper divisors (1).

68011344770231 is an equidigital number, since it uses as much as digits as its factorization.

68011344770231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 68011344770231 in words is "sixty-eight trillion, eleven billion, three hundred forty-four million, seven hundred seventy thousand, two hundred thirty-one".