Search a number
-
+
118574171137 is a prime number
BaseRepresentation
bin110111001101110010…
…0100100010000000001
3102100001122020000000001
41232123210210100001
53420314441434022
6130250000000001
711365243552642
oct1563344442001
9370048200001
10118574171137
1146318034864
121ab92300001
13b248994356
145a4bc2d6c9
15313ec0cb27
hex1b9b924401

118574171137 has 2 divisors, whose sum is σ = 118574171138. Its totient is φ = 118574171136.

The previous prime is 118574171129. The next prime is 118574171143. The reversal of 118574171137 is 731171475811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68667057936 + 49907113201 = 262044^2 + 223399^2 .

It is a cyclic number.

It is not a de Polignac number, because 118574171137 - 23 = 118574171129 is a prime.

It is not a weakly prime, because it can be changed into another prime (118574171117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59287085568 + 59287085569.

It is an arithmetic number, because the mean of its divisors is an integer number (59287085569).

Almost surely, 2118574171137 is an apocalyptic number.

It is an amenable number.

118574171137 is a deficient number, since it is larger than the sum of its proper divisors (1).

118574171137 is an equidigital number, since it uses as much as digits as its factorization.

118574171137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 46.

The spelling of 118574171137 in words is "one hundred eighteen billion, five hundred seventy-four million, one hundred seventy-one thousand, one hundred thirty-seven".