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10266684868469 is a prime number
BaseRepresentation
bin1001010101100110011000…
…0110101100011101110101
31100100111002220212020200002
42111121212012230131311
52321202132311242334
633500241103201045
72106513010334411
oct225314606543565
940314086766602
1010266684868469
1132a9092a57967
121199903ba6185
135961b4b42543
14276ca582bd41
1512c0d7936b7e
hex956661ac775

10266684868469 has 2 divisors, whose sum is σ = 10266684868470. Its totient is φ = 10266684868468.

The previous prime is 10266684868387. The next prime is 10266684868481. The reversal of 10266684868469 is 96486848666201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7691398115569 + 2575286752900 = 2773337^2 + 1604770^2 .

It is a cyclic number.

It is not a de Polignac number, because 10266684868469 - 220 = 10266683819893 is a prime.

It is a super-4 number, since 4×102666848684694 (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10266684868396 and 10266684868405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10266684861469) 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, 5133342434234 + 5133342434235.

It is an arithmetic number, because the mean of its divisors is an integer number (5133342434235).

Almost surely, 210266684868469 is an apocalyptic number.

It is an amenable number.

10266684868469 is a deficient number, since it is larger than the sum of its proper divisors (1).

10266684868469 is an equidigital number, since it uses as much as digits as its factorization.

10266684868469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1146617856, while the sum is 74.

The spelling of 10266684868469 in words is "ten trillion, two hundred sixty-six billion, six hundred eighty-four million, eight hundred sixty-eight thousand, four hundred sixty-nine".