Search a number
-
+
118668047 is a prime number
BaseRepresentation
bin1110001001010…
…11101100001111
322021021221221212
413010223230033
5220334334142
615435245035
72640442661
oct704535417
9267257855
10118668047
1160a92073
12338a977b
131b77b8a4
1411a90531
15a640d82
hex712bb0f

118668047 has 2 divisors, whose sum is σ = 118668048. Its totient is φ = 118668046.

The previous prime is 118668037. The next prime is 118668059. The reversal of 118668047 is 740866811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118668047 - 216 = 118602511 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118667995 and 118668013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118668037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59334023 + 59334024.

It is an arithmetic number, because the mean of its divisors is an integer number (59334024).

Almost surely, 2118668047 is an apocalyptic number.

118668047 is a deficient number, since it is larger than the sum of its proper divisors (1).

118668047 is an equidigital number, since it uses as much as digits as its factorization.

118668047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 118668047 is about 10893.4864483323. The cubic root of 118668047 is about 491.4106883679.

It can be divided in two parts, 11866804 and 7, that added together give a palindrome (11866811).

The spelling of 118668047 in words is "one hundred eighteen million, six hundred sixty-eight thousand, forty-seven".