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130237243 is a prime number
BaseRepresentation
bin1111100001101…
…00001100111011
3100002001201220121
413300310030323
5231320042433
620531234111
73140666263
oct760641473
9302051817
10130237243
1167574194
1237748937
1320c9c776
14134227a3
15b678c2d
hex7c3433b

130237243 has 2 divisors, whose sum is σ = 130237244. Its totient is φ = 130237242.

The previous prime is 130237189. The next prime is 130237253. The reversal of 130237243 is 342732031.

It is a strong prime.

It is an emirp because it is prime and its reverse (342732031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130237243 - 221 = 128140091 is a prime.

It is not a weakly prime, because it can be changed into another prime (130237253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65118621 + 65118622.

It is an arithmetic number, because the mean of its divisors is an integer number (65118622).

Almost surely, 2130237243 is an apocalyptic number.

130237243 is a deficient number, since it is larger than the sum of its proper divisors (1).

130237243 is an equidigital number, since it uses as much as digits as its factorization.

130237243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 130237243 is about 11412.1533025104. The cubic root of 130237243 is about 506.8876748675.

Adding to 130237243 its reverse (342732031), we get a palindrome (472969274).

The spelling of 130237243 in words is "one hundred thirty million, two hundred thirty-seven thousand, two hundred forty-three".