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106865868287 is a prime number
BaseRepresentation
bin110001110000110110…
…0111011110111111111
3101012211122222120220202
41203201230323313333
53222330130241122
6121032110234115
710502143615133
oct1434154736777
9335748876822
10106865868287
1141359aa6612
12188651b593b
13a1010b13b9
14525ac633c3
152ba6daae92
hex18e1b3bdff

106865868287 has 2 divisors, whose sum is σ = 106865868288. Its totient is φ = 106865868286.

The previous prime is 106865868283. The next prime is 106865868301. The reversal of 106865868287 is 782868568601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106865868287 - 22 = 106865868283 is a prime.

It is a super-2 number, since 2×1068658682872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106865868283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53432934143 + 53432934144.

It is an arithmetic number, because the mean of its divisors is an integer number (53432934144).

Almost surely, 2106865868287 is an apocalyptic number.

106865868287 is a deficient number, since it is larger than the sum of its proper divisors (1).

106865868287 is an equidigital number, since it uses as much as digits as its factorization.

106865868287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 106865868287 in words is "one hundred six billion, eight hundred sixty-five million, eight hundred sixty-eight thousand, two hundred eighty-seven".