Search a number
-
+
107085126809 is a prime number
BaseRepresentation
bin110001110111011000…
…1010101110010011001
3101020101221120002001202
41203232301111302121
53223302243024214
6121105541523545
710510445362613
oct1435661256231
9336357502052
10107085126809
1141461842801
12189067135b5
13a13764c47b
14527c019db3
152bbb26b6de
hex18eec55c99

107085126809 has 2 divisors, whose sum is σ = 107085126810. Its totient is φ = 107085126808.

The previous prime is 107085126779. The next prime is 107085126847. The reversal of 107085126809 is 908621580701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102505627225 + 4579499584 = 320165^2 + 67672^2 .

It is a cyclic number.

It is not a de Polignac number, because 107085126809 - 28 = 107085126553 is a prime.

It is a super-2 number, since 2×1070851268092 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107085126859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53542563404 + 53542563405.

It is an arithmetic number, because the mean of its divisors is an integer number (53542563405).

Almost surely, 2107085126809 is an apocalyptic number.

It is an amenable number.

107085126809 is a deficient number, since it is larger than the sum of its proper divisors (1).

107085126809 is an equidigital number, since it uses as much as digits as its factorization.

107085126809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 107085126809 in words is "one hundred seven billion, eighty-five million, one hundred twenty-six thousand, eight hundred nine".