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68331459810007 is a prime number
BaseRepresentation
bin11111000100101101010000…
…11000111001001011010111
322221221102102220212212211001
433202112220120321023113
532424020312202410012
6401155012252324131
720251533163025122
oct1742265030711327
9287842386785731
1068331459810007
111a855233735519
1277b7117773647
132c18823c26434
1412c33903a33b9
157d76d105c357
hex3e25a86392d7

68331459810007 has 2 divisors, whose sum is σ = 68331459810008. Its totient is φ = 68331459810006.

The previous prime is 68331459809917. The next prime is 68331459810049. The reversal of 68331459810007 is 70001895413386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68331459810007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68331459810007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68331459810907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34165729905003 + 34165729905004.

It is an arithmetic number, because the mean of its divisors is an integer number (34165729905004).

Almost surely, 268331459810007 is an apocalyptic number.

68331459810007 is a deficient number, since it is larger than the sum of its proper divisors (1).

68331459810007 is an equidigital number, since it uses as much as digits as its factorization.

68331459810007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 68331459810007 in words is "sixty-eight trillion, three hundred thirty-one billion, four hundred fifty-nine million, eight hundred ten thousand, seven".