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68963371798901 is a prime number
BaseRepresentation
bin11111010111000110010010…
…10001110101000101110101
3100001011211111221202221100212
433223203021101311011311
533014343441140031101
6402401200255315205
720345303433223466
oct1753431121650565
9301154457687325
1068963371798901
111aa79224566658
12789969181bb05
132c632ab0b94b8
141305bb899ad6d
157e8d677ce1bb
hex3eb8c9475175

68963371798901 has 2 divisors, whose sum is σ = 68963371798902. Its totient is φ = 68963371798900.

The previous prime is 68963371798897. The next prime is 68963371798903. The reversal of 68963371798901 is 10989717336986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44121610608100 + 24841761190801 = 6642410^2 + 4984151^2 .

It is a cyclic number.

It is not a de Polignac number, because 68963371798901 - 22 = 68963371798897 is a prime.

Together with 68963371798903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68963371798903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34481685899450 + 34481685899451.

It is an arithmetic number, because the mean of its divisors is an integer number (34481685899451).

Almost surely, 268963371798901 is an apocalyptic number.

It is an amenable number.

68963371798901 is a deficient number, since it is larger than the sum of its proper divisors (1).

68963371798901 is an equidigital number, since it uses as much as digits as its factorization.

68963371798901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740710656, while the sum is 77.

The spelling of 68963371798901 in words is "sixty-eight trillion, nine hundred sixty-three billion, three hundred seventy-one million, seven hundred ninety-eight thousand, nine hundred one".