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130128337 is a prime number
BaseRepresentation
bin1111100000110…
…01100111010001
3100001212012112001
413300121213101
5231303101322
620525034001
73140033623
oct760314721
9301765461
10130128337
11674aa389
12376b5901
1320c62021
14133d4c13
15b656827
hex7c199d1

130128337 has 2 divisors, whose sum is σ = 130128338. Its totient is φ = 130128336.

The previous prime is 130128329. The next prime is 130128367. The reversal of 130128337 is 733821031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128051856 + 2076481 = 11316^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 130128337 - 23 = 130128329 is a prime.

It is not a weakly prime, because it can be changed into another prime (130128367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65064168 + 65064169.

It is an arithmetic number, because the mean of its divisors is an integer number (65064169).

Almost surely, 2130128337 is an apocalyptic number.

It is an amenable number.

130128337 is a deficient number, since it is larger than the sum of its proper divisors (1).

130128337 is an equidigital number, since it uses as much as digits as its factorization.

130128337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 130128337 is about 11407.3808124389. The cubic root of 130128337 is about 506.7463468772.

Adding to 130128337 its reverse (733821031), we get a palindrome (863949368).

The spelling of 130128337 in words is "one hundred thirty million, one hundred twenty-eight thousand, three hundred thirty-seven".