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180130427 is a prime number
BaseRepresentation
bin10101011110010…
…01001001111011
3110112221120111022
422233021021323
5332103133202
625512453055
74315040411
oct1257111173
9415846438
10180130427
1192751724
12503aa18b
132b41b369
1419ccd2b1
1510c31ea2
hexabc927b

180130427 has 2 divisors, whose sum is σ = 180130428. Its totient is φ = 180130426.

The previous prime is 180130409. The next prime is 180130451. The reversal of 180130427 is 724031081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 180130427 - 210 = 180129403 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 180130396 and 180130405.

It is not a weakly prime, because it can be changed into another prime (180130627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90065213 + 90065214.

It is an arithmetic number, because the mean of its divisors is an integer number (90065214).

Almost surely, 2180130427 is an apocalyptic number.

180130427 is a deficient number, since it is larger than the sum of its proper divisors (1).

180130427 is an equidigital number, since it uses as much as digits as its factorization.

180130427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 180130427 is about 13421.2677121053. The cubic root of 180130427 is about 564.7579582990.

The spelling of 180130427 in words is "one hundred eighty million, one hundred thirty thousand, four hundred twenty-seven".