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12808127417 is a prime number
BaseRepresentation
bin10111110110110110…
…01000001110111001
31020001121202021202112
423323123020032321
5202212340034132
65514534342105
7632253200231
oct137333101671
936047667675
1012808127417
115482943778
1225954ba935
131291701b27
148970a0cc1
154ee6a0ab2
hex2fb6c83b9

12808127417 has 2 divisors, whose sum is σ = 12808127418. Its totient is φ = 12808127416.

The previous prime is 12808127413. The next prime is 12808127441. The reversal of 12808127417 is 71472180821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10898524816 + 1909602601 = 104396^2 + 43699^2 .

It is a cyclic number.

It is not a de Polignac number, because 12808127417 - 22 = 12808127413 is a prime.

It is not a weakly prime, because it can be changed into another prime (12808127413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404063708 + 6404063709.

It is an arithmetic number, because the mean of its divisors is an integer number (6404063709).

Almost surely, 212808127417 is an apocalyptic number.

It is an amenable number.

12808127417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12808127417 is an equidigital number, since it uses as much as digits as its factorization.

12808127417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 41.

The spelling of 12808127417 in words is "twelve billion, eight hundred eight million, one hundred twenty-seven thousand, four hundred seventeen".