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130243951 is a prime number
BaseRepresentation
bin1111100001101…
…01110101101111
3100002002002010001
413300311311233
5231320301301
620531325131
73141024655
oct760656557
9302062101
10130243951
1167579232
12377507a7
1320ca2836
1413424dd5
15b67ac01
hex7c35d6f

130243951 has 2 divisors, whose sum is σ = 130243952. Its totient is φ = 130243950.

The previous prime is 130243943. The next prime is 130243957. The reversal of 130243951 is 159342031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130243951 - 23 = 130243943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130243957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65121975 + 65121976.

It is an arithmetic number, because the mean of its divisors is an integer number (65121976).

Almost surely, 2130243951 is an apocalyptic number.

130243951 is a deficient number, since it is larger than the sum of its proper divisors (1).

130243951 is an equidigital number, since it uses as much as digits as its factorization.

130243951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 130243951 is about 11412.4471959348. The cubic root of 130243951 is about 506.8963773044.

Adding to 130243951 its reverse (159342031), we get a palindrome (289585982).

The spelling of 130243951 in words is "one hundred thirty million, two hundred forty-three thousand, nine hundred fifty-one".