Search a number
-
+
116805769 is a prime number
BaseRepresentation
bin1101111011001…
…01000010001001
322010210100101121
412331211002021
5214400241034
615331315241
72615555413
oct675450211
9263710347
10116805769
115aa2a9a3
123314bb21
131b279052
14117279b3
15a3c41b4
hex6f65089

116805769 has 2 divisors, whose sum is σ = 116805770. Its totient is φ = 116805768.

The previous prime is 116805743. The next prime is 116805779. The reversal of 116805769 is 967508611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 29289744 = 9355^2 + 5412^2 .

It is a cyclic number.

It is not a de Polignac number, because 116805769 - 27 = 116805641 is a prime.

It is a super-2 number, since 2×1168057692 = 27287175343362722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116805709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58402884 + 58402885.

It is an arithmetic number, because the mean of its divisors is an integer number (58402885).

Almost surely, 2116805769 is an apocalyptic number.

It is an amenable number.

116805769 is a deficient number, since it is larger than the sum of its proper divisors (1).

116805769 is an equidigital number, since it uses as much as digits as its factorization.

116805769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 116805769 is about 10807.6717659263. The cubic root of 116805769 is about 488.8265255641.

The spelling of 116805769 in words is "one hundred sixteen million, eight hundred five thousand, seven hundred sixty-nine".