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130515432461 is a prime number
BaseRepresentation
bin111100110001101010…
…0110111010000001101
3110110212211210221000222
41321203110313100031
54114243422314321
6135542530401125
712300202604621
oct1714324672015
9413784727028
10130515432461
1150395617177
12213654301a5
13c3cc90105b
146461b1b181
1535dd2293ab
hex1e6353740d

130515432461 has 2 divisors, whose sum is σ = 130515432462. Its totient is φ = 130515432460.

The previous prime is 130515432449. The next prime is 130515432503. The reversal of 130515432461 is 164234515031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68118390025 + 62397042436 = 260995^2 + 249794^2 .

It is a cyclic number.

It is not a de Polignac number, because 130515432461 - 214 = 130515416077 is a prime.

It is a super-2 number, since 2×1305154324612 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130515432431) 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, 65257716230 + 65257716231.

It is an arithmetic number, because the mean of its divisors is an integer number (65257716231).

Almost surely, 2130515432461 is an apocalyptic number.

It is an amenable number.

130515432461 is a deficient number, since it is larger than the sum of its proper divisors (1).

130515432461 is an equidigital number, since it uses as much as digits as its factorization.

130515432461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 130515432461 its reverse (164234515031), we get a palindrome (294749947492).

The spelling of 130515432461 in words is "one hundred thirty billion, five hundred fifteen million, four hundred thirty-two thousand, four hundred sixty-one".