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1305132440315 = 51122157243703
BaseRepresentation
bin10010111111011111111…
…101001001101011111011
311121202202220221102202012
4102333133331021223323
5132340402401042230
62435323005400135
7163202253462254
oct22773775115373
94552686842665
101305132440315
1146355a268600
12190b3a26904b
13960c5517482
1447251083b2b
1523e397dd395
hex12fdff49afb

1305132440315 has 12 divisors (see below), whose sum is σ = 1721480475792. Its totient is φ = 949187228880.

The previous prime is 1305132440281. The next prime is 1305132440329. The reversal of 1305132440315 is 5130442315031.

It is not a de Polignac number, because 1305132440315 - 26 = 1305132440251 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078621247 + ... + 1078622456.

It is an arithmetic number, because the mean of its divisors is an integer number (143456706316).

Almost surely, 21305132440315 is an apocalyptic number.

1305132440315 is a deficient number, since it is larger than the sum of its proper divisors (416348035477).

1305132440315 is a wasteful number, since it uses less digits than its factorization.

1305132440315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157243730 (or 2157243719 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1305132440315 its reverse (5130442315031), we get a palindrome (6435574755346).

The spelling of 1305132440315 in words is "one trillion, three hundred five billion, one hundred thirty-two million, four hundred forty thousand, three hundred fifteen".

Divisors: 1 5 11 55 121 605 2157243703 10786218515 23729680733 118648403665 261026488063 1305132440315