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86423145287 is a prime number
BaseRepresentation
bin101000001111100111…
…0001000101101000111
322021001222101122212212
41100133032020231013
52403443311122122
6103411403534035
76146434420463
oct1203716105507
9267058348785
1086423145287
1133719681216
12148bab2a31b
1381c3a870bb
14427bc554a3
1523ac33cce2
hex141f388b47

86423145287 has 2 divisors, whose sum is σ = 86423145288. Its totient is φ = 86423145286.

The previous prime is 86423145283. The next prime is 86423145323. The reversal of 86423145287 is 78254132468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86423145287 - 22 = 86423145283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86423145283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43211572643 + 43211572644.

It is an arithmetic number, because the mean of its divisors is an integer number (43211572644).

Almost surely, 286423145287 is an apocalyptic number.

86423145287 is a deficient number, since it is larger than the sum of its proper divisors (1).

86423145287 is an equidigital number, since it uses as much as digits as its factorization.

86423145287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 50.

The spelling of 86423145287 in words is "eighty-six billion, four hundred twenty-three million, one hundred forty-five thousand, two hundred eighty-seven".