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130177609 is a prime number
BaseRepresentation
bin1111100001001…
…01101001001001
3100001221201002221
413300211221021
5231311140414
620530054041
73140330362
oct760455111
9301851087
10130177609
1167533401
123771a321
1320c7b593
1413408b69
15b666224
hex7c25a49

130177609 has 2 divisors, whose sum is σ = 130177610. Its totient is φ = 130177608.

The previous prime is 130177603. The next prime is 130177637. The reversal of 130177609 is 906771031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71318025 + 58859584 = 8445^2 + 7672^2 .

It is a cyclic number.

It is not a de Polignac number, because 130177609 - 23 = 130177601 is a prime.

It is not a weakly prime, because it can be changed into another prime (130177601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65088804 + 65088805.

It is an arithmetic number, because the mean of its divisors is an integer number (65088805).

Almost surely, 2130177609 is an apocalyptic number.

It is an amenable number.

130177609 is a deficient number, since it is larger than the sum of its proper divisors (1).

130177609 is an equidigital number, since it uses as much as digits as its factorization.

130177609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 130177609 is about 11409.5402624295. The cubic root of 130177609 is about 506.8102972201.

The spelling of 130177609 in words is "one hundred thirty million, one hundred seventy-seven thousand, six hundred nine".