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105486939289 is a prime number
BaseRepresentation
bin110001000111110000…
…0101111010010011001
3101002021120021201221101
41202033200233102121
53212014124024124
6120243211111401
710423031122024
oct1421740572231
9332246251841
10105486939289
1140811699876
121853b442561
139c414cc694
145169a781bb
152b25cc9644
hex188f82f499

105486939289 has 2 divisors, whose sum is σ = 105486939290. Its totient is φ = 105486939288.

The previous prime is 105486939247. The next prime is 105486939323. The reversal of 105486939289 is 982939684501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104663249289 + 823690000 = 323517^2 + 28700^2 .

It is a cyclic number.

It is not a de Polignac number, because 105486939289 - 27 = 105486939161 is a prime.

It is a super-2 number, since 2×1054869392892 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105486939289.

It is not a weakly prime, because it can be changed into another prime (105486939689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52743469644 + 52743469645.

It is an arithmetic number, because the mean of its divisors is an integer number (52743469645).

Almost surely, 2105486939289 is an apocalyptic number.

It is an amenable number.

105486939289 is a deficient number, since it is larger than the sum of its proper divisors (1).

105486939289 is an equidigital number, since it uses as much as digits as its factorization.

105486939289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 105486939289 in words is "one hundred five billion, four hundred eighty-six million, nine hundred thirty-nine thousand, two hundred eighty-nine".