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128148337 is a prime number
BaseRepresentation
bin1111010001101…
…10001101110001
322221010121110201
413220312031301
5230301221322
620414355201
73114146212
oct750661561
9287117421
10128148337
1166377819
1236abbb01
132071aa25
141303b409
15b3b4d27
hex7a36371

128148337 has 2 divisors, whose sum is σ = 128148338. Its totient is φ = 128148336.

The previous prime is 128148313. The next prime is 128148359. The reversal of 128148337 is 733841821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117592336 + 10556001 = 10844^2 + 3249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128148337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128148296 and 128148305.

It is not a weakly prime, because it can be changed into another prime (128148037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64074168 + 64074169.

It is an arithmetic number, because the mean of its divisors is an integer number (64074169).

Almost surely, 2128148337 is an apocalyptic number.

It is an amenable number.

128148337 is a deficient number, since it is larger than the sum of its proper divisors (1).

128148337 is an equidigital number, since it uses as much as digits as its factorization.

128148337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 128148337 is about 11320.2622319450. The cubic root of 128148337 is about 504.1630249158.

The spelling of 128148337 in words is "one hundred twenty-eight million, one hundred forty-eight thousand, three hundred thirty-seven".