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130385783449 is a prime number
BaseRepresentation
bin111100101101110011…
…0010010101010011001
3110110112210212002000201
41321123212102222121
54114012230032244
6135522015502201
712264036605305
oct1713346225231
9413483762021
10130385783449
1150329414a29
1221329b27961
13c3abaa926c
14644c80cd05
1535d1b69ad4
hex1e5b992a99

130385783449 has 2 divisors, whose sum is σ = 130385783450. Its totient is φ = 130385783448.

The previous prime is 130385783431. The next prime is 130385783453. The reversal of 130385783449 is 944387583031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129235217049 + 1150566400 = 359493^2 + 33920^2 .

It is a cyclic number.

It is not a de Polignac number, because 130385783449 - 25 = 130385783417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130385783449.

It is not a weakly prime, because it can be changed into another prime (130385783849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65192891724 + 65192891725.

It is an arithmetic number, because the mean of its divisors is an integer number (65192891725).

Almost surely, 2130385783449 is an apocalyptic number.

It is an amenable number.

130385783449 is a deficient number, since it is larger than the sum of its proper divisors (1).

130385783449 is an equidigital number, since it uses as much as digits as its factorization.

130385783449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 130385783449 in words is "one hundred thirty billion, three hundred eighty-five million, seven hundred eighty-three thousand, four hundred forty-nine".