Search a number
-
+
8465740069 is a prime number
BaseRepresentation
bin1111110001001100…
…01111000100100101
3210211222210011011111
413320212033010211
5114314212140234
63520014105021
7416534413633
oct77046170445
923758704144
108465740069
1136547648a6
1217831ab171
13a4bb91267
145a44a2353
15348347664
hex1f898f125

8465740069 has 2 divisors, whose sum is σ = 8465740070. Its totient is φ = 8465740068.

The previous prime is 8465740061. The next prime is 8465740159. The reversal of 8465740069 is 9600475648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8443772100 + 21967969 = 91890^2 + 4687^2 .

It is a cyclic number.

It is not a de Polignac number, because 8465740069 - 23 = 8465740061 is a prime.

It is a super-2 number, since 2×84657400692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8465740061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232870034 + 4232870035.

It is an arithmetic number, because the mean of its divisors is an integer number (4232870035).

Almost surely, 28465740069 is an apocalyptic number.

It is an amenable number.

8465740069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8465740069 is an equidigital number, since it uses as much as digits as its factorization.

8465740069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 8465740069 is about 92009.4564107407. The cubic root of 8465740069 is about 2038.0819525464.

The spelling of 8465740069 in words is "eight billion, four hundred sixty-five million, seven hundred forty thousand, sixty-nine".