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1081275641713 = 1815973898573
BaseRepresentation
bin11111011110000010000…
…11001110111101110001
310211100221221212210221101
433233001003032331301
5120203423031013323
62144421533324401
7141056006210461
oct17570103167561
93740857783841
101081275641713
11387625a02523
12155685036701
137ac6b78a527
143a4967a1ba1
151d1d6c12dad
hexfbc10cef71

1081275641713 has 4 divisors (see below), whose sum is σ = 1087249540468. Its totient is φ = 1075301742960.

The previous prime is 1081275641629. The next prime is 1081275641731. The reversal of 1081275641713 is 3171465721801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 358719540624 + 722556101089 = 598932^2 + 850033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081275641713 - 217 = 1081275510641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081275641113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986949106 + ... + 2986949467.

It is an arithmetic number, because the mean of its divisors is an integer number (271812385117).

Almost surely, 21081275641713 is an apocalyptic number.

It is an amenable number.

1081275641713 is a deficient number, since it is larger than the sum of its proper divisors (5973898755).

1081275641713 is an equidigital number, since it uses as much as digits as its factorization.

1081275641713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973898754.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 1081275641713 in words is "one trillion, eighty-one billion, two hundred seventy-five million, six hundred forty-one thousand, seven hundred thirteen".

Divisors: 1 181 5973898573 1081275641713