Search a number
-
+
12045786191 is a prime number
BaseRepresentation
bin10110011011111110…
…00001110001001111
31011002111021100012022
423031333001301033
5144132210124231
65311143000355
7604335331115
oct131577016117
934074240168
1012045786191
1151215944aa
1224021390bb
13119c7a5c4a
14823b39ab5
154a77b6c7b
hex2cdfc1c4f

12045786191 has 2 divisors, whose sum is σ = 12045786192. Its totient is φ = 12045786190.

The previous prime is 12045786163. The next prime is 12045786217. The reversal of 12045786191 is 19168754021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12045786191 - 26 = 12045786127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045786131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022893095 + 6022893096.

It is an arithmetic number, because the mean of its divisors is an integer number (6022893096).

Almost surely, 212045786191 is an apocalyptic number.

12045786191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045786191 is an equidigital number, since it uses as much as digits as its factorization.

12045786191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 12045786191 in words is "twelve billion, forty-five million, seven hundred eighty-six thousand, one hundred ninety-one".