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20127678283 is a prime number
BaseRepresentation
bin10010101111101100…
…111111111101001011
31220221201202222221001
4102233230333331023
5312210141201113
613125125555431
71311532304536
oct225754777513
956851688831
1020127678283
118599605669
123a98875b77
131b89c8c70b
14d8d23da1d
157cc08b7dd
hex4afb3ff4b

20127678283 has 2 divisors, whose sum is σ = 20127678284. Its totient is φ = 20127678282.

The previous prime is 20127678239. The next prime is 20127678289. The reversal of 20127678283 is 38287672102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20127678283 - 29 = 20127677771 is a prime.

It is not a weakly prime, because it can be changed into another prime (20127678289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063839141 + 10063839142.

It is an arithmetic number, because the mean of its divisors is an integer number (10063839142).

Almost surely, 220127678283 is an apocalyptic number.

20127678283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20127678283 is an equidigital number, since it uses as much as digits as its factorization.

20127678283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 20127678283 in words is "twenty billion, one hundred twenty-seven million, six hundred seventy-eight thousand, two hundred eighty-three".