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130237189 is a prime number
BaseRepresentation
bin1111100001101…
…00001100000101
3100002001201211121
413300310030011
5231320042224
620531233541
73140666155
oct760641405
9302051747
10130237189
1167574145
12377488b1
1320c9c734
1413422765
15b678be4
hex7c34305

130237189 has 2 divisors, whose sum is σ = 130237190. Its totient is φ = 130237188.

The previous prime is 130237117. The next prime is 130237243. The reversal of 130237189 is 981732031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78180964 + 52056225 = 8842^2 + 7215^2 .

It is a cyclic number.

It is not a de Polignac number, because 130237189 - 27 = 130237061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130337189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65118594 + 65118595.

It is an arithmetic number, because the mean of its divisors is an integer number (65118595).

Almost surely, 2130237189 is an apocalyptic number.

It is an amenable number.

130237189 is a deficient number, since it is larger than the sum of its proper divisors (1).

130237189 is an equidigital number, since it uses as much as digits as its factorization.

130237189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 130237189 is about 11412.1509366114. The cubic root of 130237189 is about 506.8876048109.

The spelling of 130237189 in words is "one hundred thirty million, two hundred thirty-seven thousand, one hundred eighty-nine".