Search a number
-
+
255123119 is a prime number
BaseRepresentation
bin11110011010011…
…01111010101111
3122210001121010102
433031031322233
51010302414434
641152101315
76215340116
oct1715157257
9583047112
10255123119
11121012859
127153483b
1340b17534
1425c50c7d
15175e707e
hexf34deaf

255123119 has 2 divisors, whose sum is σ = 255123120. Its totient is φ = 255123118.

The previous prime is 255123091. The next prime is 255123161. The reversal of 255123119 is 911321552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255123119 - 224 = 238345903 is a prime.

It is a super-2 number, since 2×2551231192 = 130175611696576322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 255123091 and 255123100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255123019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127561559 + 127561560.

It is an arithmetic number, because the mean of its divisors is an integer number (127561560).

Almost surely, 2255123119 is an apocalyptic number.

255123119 is a deficient number, since it is larger than the sum of its proper divisors (1).

255123119 is an equidigital number, since it uses as much as digits as its factorization.

255123119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 255123119 is about 15972.5739628903. The cubic root of 255123119 is about 634.2346113308.

The spelling of 255123119 in words is "two hundred fifty-five million, one hundred twenty-three thousand, one hundred nineteen".