Search a number
-
+
6912368191 is a prime number
BaseRepresentation
bin1100111000000001…
…00101111000111111
3122211201211200112201
412130000211320333
5103124031240231
63101524012331
7333203105641
oct63400457077
918751750481
106912368191
112a27940593
12140ab310a7
13862102bc1
14498068891
152a6ca9161
hex19c025e3f

6912368191 has 2 divisors, whose sum is σ = 6912368192. Its totient is φ = 6912368190.

The previous prime is 6912368159. The next prime is 6912368201. The reversal of 6912368191 is 1918632196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6912368191 - 25 = 6912368159 is a prime.

It is a super-2 number, since 2×69123681912 = 95561668015897224962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6912368101) 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, 3456184095 + 3456184096.

It is an arithmetic number, because the mean of its divisors is an integer number (3456184096).

Almost surely, 26912368191 is an apocalyptic number.

6912368191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6912368191 is an equidigital number, since it uses as much as digits as its factorization.

6912368191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 46.

The square root of 6912368191 is about 83140.6530585369. The cubic root of 6912368191 is about 1904.9150850704.

The spelling of 6912368191 in words is "six billion, nine hundred twelve million, three hundred sixty-eight thousand, one hundred ninety-one".