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2161444410306 = 2331011975320063
BaseRepresentation
bin11111011101000000001…
…000000101001111000010
321122122001202222122102000
4133131000020011033002
5240403114232112211
64332542011004430
7312105415231026
oct37350010051702
97578052878360
102161444410306
11763733025875
122aaa9b439716
13128a91b2b83c
1476886156386
153b356683656
hex1f7402053c2

2161444410306 has 64 divisors (see below), whose sum is σ = 4851253693440. Its totient is φ = 713276323200.

The previous prime is 2161444410283. The next prime is 2161444410329. The reversal of 2161444410306 is 6030144441612.

2161444410306 is a `hidden beast` number, since 2 + 1 + 614 + 4 + 4 + 4 + 1 + 0 + 30 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2161444410283) and next prime (2161444410329).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107722831 + ... + 107742893.

It is an arithmetic number, because the mean of its divisors is an integer number (75800838960).

Almost surely, 22161444410306 is an apocalyptic number.

2161444410306 is an abundant number, since it is smaller than the sum of its proper divisors (2689809283134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161444410306 is a wasteful number, since it uses less digits than its factorization.

2161444410306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39928 (or 39922 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 2161444410306 its reverse (6030144441612), we get a palindrome (8191588851918).

The spelling of 2161444410306 in words is "two trillion, one hundred sixty-one billion, four hundred forty-four million, four hundred ten thousand, three hundred six".

Divisors: 1 2 3 6 9 18 27 54 101 202 303 606 909 1818 2727 5454 19753 20063 39506 40126 59259 60189 118518 120378 177777 180567 355554 361134 533331 541701 1066662 1083402 1995053 2026363 3990106 4052726 5985159 6079089 11970318 12158178 17955477 18237267 35910954 36474534 53866431 54711801 107732862 109423602 396304439 792608878 1188913317 2377826634 3566739951 7133479902 10700219853 21400439706 40026748339 80053496678 120080245017 240160490034 360240735051 720481470102 1080722205153 2161444410306