Search a number
-
+
8125263319 is a prime number
BaseRepresentation
bin1111001000100110…
…11010110111010111
3202222021010010212111
413210103122313113
5113120031411234
63422132331451
7405231412225
oct74423326727
922867103774
108125263319
11349a554658
1216a9173b87
139c6490924
14571193b15
153284e0664
hex1e44dadd7

8125263319 has 2 divisors, whose sum is σ = 8125263320. Its totient is φ = 8125263318.

The previous prime is 8125263287. The next prime is 8125263323. The reversal of 8125263319 is 9133625218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8125263319 - 25 = 8125263287 is a prime.

It is a super-2 number, since 2×81252633192 (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 (8125263389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062631659 + 4062631660.

It is an arithmetic number, because the mean of its divisors is an integer number (4062631660).

Almost surely, 28125263319 is an apocalyptic number.

8125263319 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125263319 is an equidigital number, since it uses as much as digits as its factorization.

8125263319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 8125263319 is about 90140.2425057754. The cubic root of 8125263319 is about 2010.3845966699.

The spelling of 8125263319 in words is "eight billion, one hundred twenty-five million, two hundred sixty-three thousand, three hundred nineteen".