Search a number
-
+
180500107 is a prime number
BaseRepresentation
bin10101100001000…
…11011010001011
3110120122100121011
422300203122023
5332202000412
625524424351
74321140244
oct1260433213
9416570534
10180500107
1192984447
12505480b7
132b51a6c8
1419d87ccb
1510ca67a7
hexac2368b

180500107 has 2 divisors, whose sum is σ = 180500108. Its totient is φ = 180500106.

The previous prime is 180500093. The next prime is 180500123. The reversal of 180500107 is 701005081.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-180500107 is a prime.

It is a super-2 number, since 2×1805001072 = 65160577254022898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (180500137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90250053 + 90250054.

It is an arithmetic number, because the mean of its divisors is an integer number (90250054).

Almost surely, 2180500107 is an apocalyptic number.

180500107 is a deficient number, since it is larger than the sum of its proper divisors (1).

180500107 is an equidigital number, since it uses as much as digits as its factorization.

180500107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 180500107 is about 13435.0328246715. The cubic root of 180500107 is about 565.1440434681.

Adding to 180500107 its reverse (701005081), we get a palindrome (881505188).

The spelling of 180500107 in words is "one hundred eighty million, five hundred thousand, one hundred seven".