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130542451309 is a prime number
BaseRepresentation
bin111100110010011101…
…1111011101001101101
3110110221201122121221001
41321210323323221231
54114322331420214
6135545333440301
712300651346024
oct1714473735155
9413851577831
10130542451309
11503a98a08a6
12213724a0091
13c4053a113a
1464655518bb
1535e07b4c74
hex1e64efba6d

130542451309 has 2 divisors, whose sum is σ = 130542451310. Its totient is φ = 130542451308.

The previous prime is 130542451279. The next prime is 130542451337. The reversal of 130542451309 is 903154245031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70041210409 + 60501240900 = 264653^2 + 245970^2 .

It is a cyclic number.

It is not a de Polignac number, because 130542451309 - 213 = 130542443117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130542451349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65271225654 + 65271225655.

It is an arithmetic number, because the mean of its divisors is an integer number (65271225655).

Almost surely, 2130542451309 is an apocalyptic number.

It is an amenable number.

130542451309 is a deficient number, since it is larger than the sum of its proper divisors (1).

130542451309 is an equidigital number, since it uses as much as digits as its factorization.

130542451309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 130542451309 in words is "one hundred thirty billion, five hundred forty-two million, four hundred fifty-one thousand, three hundred nine".