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115304480449 = 172398977441
BaseRepresentation
bin110101101100010101…
…1101011111011000001
3102000121202201111120221
41223120223223323001
53342120421333244
6124545315103041
711221231625014
oct1533053537301
9360552644527
10115304480449
114499a411854
121a41b2a1a81
13ab47464a32
14581b8a337b
152eecb45784
hex1ad8aebec1

115304480449 has 6 divisors (see below), whose sum is σ = 122486074694. Its totient is φ = 108521863680.

The previous prime is 115304480387. The next prime is 115304480471. The reversal of 115304480449 is 944084403511.

It can be written as a sum of positive squares in 3 ways, for example, as 62116589824 + 53187890625 = 249232^2 + 230625^2 .

It is a de Polignac number, because none of the positive numbers 2k-115304480449 is a prime.

It is a super-2 number, since 2×1153044804492 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115304481449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199488432 + ... + 199489009.

Almost surely, 2115304480449 is an apocalyptic number.

It is an amenable number.

115304480449 is a deficient number, since it is larger than the sum of its proper divisors (7181594245).

115304480449 is an equidigital number, since it uses as much as digits as its factorization.

115304480449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398977475 (or 398977458 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 115304480449 in words is "one hundred fifteen billion, three hundred four million, four hundred eighty thousand, four hundred forty-nine".

Divisors: 1 17 289 398977441 6782616497 115304480449