Search a number
-
+
1168500493 is a prime number
BaseRepresentation
bin100010110100101…
…1110011100001101
310000102201222100001
41011221132130031
54343114003433
6311541004301
740646042656
oct10551363415
93012658301
101168500493
1154a651796
122873b3691
13158115b14
14b129052d
156c8b757d
hex45a5e70d

1168500493 has 2 divisors, whose sum is σ = 1168500494. Its totient is φ = 1168500492.

The previous prime is 1168500479. The next prime is 1168500517. The reversal of 1168500493 is 3940058611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033429609 + 135070884 = 32147^2 + 11622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168500493 - 25 = 1168500461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168501493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584250246 + 584250247.

It is an arithmetic number, because the mean of its divisors is an integer number (584250247).

Almost surely, 21168500493 is an apocalyptic number.

It is an amenable number.

1168500493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168500493 is an equidigital number, since it uses as much as digits as its factorization.

1168500493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1168500493 is about 34183.3364813910. The cubic root of 1168500493 is about 1053.2778873657.

The spelling of 1168500493 in words is "one billion, one hundred sixty-eight million, five hundred thousand, four hundred ninety-three".