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180510149 is a prime number
BaseRepresentation
bin10101100001001…
…01110111000101
3110120122212101002
422300211313011
5332202311044
625524543045
74321211441
oct1260456705
9416585332
10180510149
1192990a46
1250551a85
132b522151
1419d8b821
1510ca974e
hexac25dc5

180510149 has 2 divisors, whose sum is σ = 180510150. Its totient is φ = 180510148.

The previous prime is 180510107. The next prime is 180510151. The reversal of 180510149 is 941015081.

180510149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153313924 + 27196225 = 12382^2 + 5215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-180510149 is a prime.

Together with 180510151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180510949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90255074 + 90255075.

It is an arithmetic number, because the mean of its divisors is an integer number (90255075).

Almost surely, 2180510149 is an apocalyptic number.

It is an amenable number.

180510149 is a deficient number, since it is larger than the sum of its proper divisors (1).

180510149 is an equidigital number, since it uses as much as digits as its factorization.

180510149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 180510149 is about 13435.4065439048. The cubic root of 180510149 is about 565.1545237411.

The spelling of 180510149 in words is "one hundred eighty million, five hundred ten thousand, one hundred forty-nine".