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1082304645281 = 3763328759457
BaseRepresentation
bin11111011111111100110…
…00100100100010100001
310211110121200010121110122
433233332120210202201
5120213024442122111
62145112012410025
7141123342460046
oct17577630444241
93743550117418
101082304645281
113880038360a2
12155911776915
137b0a3a10c92
143a5532dd1cd
151d247222cdb
hexfbfe6248a1

1082304645281 has 4 divisors (see below), whose sum is σ = 1082333442372. Its totient is φ = 1082275848192.

The previous prime is 1082304645269. The next prime is 1082304645287. The reversal of 1082304645281 is 1825464032801.

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 242048256256 + 840256389025 = 491984^2 + 916655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1082304645281 is a prime.

It is a super-2 number, since 2×10823046452812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082304645287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342096 + ... + 14417361.

It is an arithmetic number, because the mean of its divisors is an integer number (270583360593).

Almost surely, 21082304645281 is an apocalyptic number.

It is an amenable number.

1082304645281 is a deficient number, since it is larger than the sum of its proper divisors (28797091).

1082304645281 is an equidigital number, since it uses as much as digits as its factorization.

1082304645281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28797090.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 1082304645281 in words is "one trillion, eighty-two billion, three hundred four million, six hundred forty-five thousand, two hundred eighty-one".

Divisors: 1 37633 28759457 1082304645281