Search a number
-
+
124489378291 is a prime number
BaseRepresentation
bin111001111110000100…
…1010010100111110011
3102220022212201122202111
41303330021102213303
54014423240101131
6133104543230151
711664651153565
oct1637411224763
9386285648674
10124489378291
1148883010513
12201632a8357
13b97c312325
14604d689335
153389196ab1
hex1cfc2529f3

124489378291 has 2 divisors, whose sum is σ = 124489378292. Its totient is φ = 124489378290.

The previous prime is 124489378187. The next prime is 124489378309. The reversal of 124489378291 is 192873984421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124489378291 - 227 = 124355160563 is a prime.

It is not a weakly prime, because it can be changed into another prime (124489388291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62244689145 + 62244689146.

It is an arithmetic number, because the mean of its divisors is an integer number (62244689146).

Almost surely, 2124489378291 is an apocalyptic number.

124489378291 is a deficient number, since it is larger than the sum of its proper divisors (1).

124489378291 is an equidigital number, since it uses as much as digits as its factorization.

124489378291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 58.

The spelling of 124489378291 in words is "one hundred twenty-four billion, four hundred eighty-nine million, three hundred seventy-eight thousand, two hundred ninety-one".