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130148538649 is a prime number
BaseRepresentation
bin111100100110101110…
…1010001100100011001
3110102221021102210100021
41321031131101210121
54113021011214044
6135442302510441
712255126216433
oct1711535214431
9412837383307
10130148538649
1150217503448
1221282595421
13c3718b151c
1464290d3653
1535bae04e84
hex1e4d751919

130148538649 has 2 divisors, whose sum is σ = 130148538650. Its totient is φ = 130148538648.

The previous prime is 130148538601. The next prime is 130148538727. The reversal of 130148538649 is 946835841031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114408327049 + 15740211600 = 338243^2 + 125460^2 .

It is a cyclic number.

It is not a de Polignac number, because 130148538649 - 219 = 130148014361 is a prime.

It is a super-2 number, since 2×1301485386492 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130148538596 and 130148538605.

It is not a weakly prime, because it can be changed into another prime (130148538049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65074269324 + 65074269325.

It is an arithmetic number, because the mean of its divisors is an integer number (65074269325).

Almost surely, 2130148538649 is an apocalyptic number.

It is an amenable number.

130148538649 is a deficient number, since it is larger than the sum of its proper divisors (1).

130148538649 is an equidigital number, since it uses as much as digits as its factorization.

130148538649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 130148538649 in words is "one hundred thirty billion, one hundred forty-eight million, five hundred thirty-eight thousand, six hundred forty-nine".