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2987816796 = 223282994911
BaseRepresentation
bin1011001000010110…
…0111011101011100
321201020002211010100
42302011213131130
522104340114141
61212251141100
7134020011066
oct26205473534
97636084110
102987816796
1112a35a9a88
126b4744790
1338800a043
14204b54736
151274890b6
hexb216775c

2987816796 has 18 divisors (see below), whose sum is σ = 7552536992. Its totient is φ = 995938920.

The previous prime is 2987816779. The next prime is 2987816801. The reversal of 2987816796 is 6976187892.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×29878167963 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 41497420 + ... + 41497491.

Almost surely, 22987816796 is an apocalyptic number.

It is an amenable number.

2987816796 is an abundant number, since it is smaller than the sum of its proper divisors (4564720196).

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

2987816796 is a wasteful number, since it uses less digits than its factorization.

2987816796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82994921 (or 82994916 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The square root of 2987816796 is about 54660.9256782210. The cubic root of 2987816796 is about 1440.2945635831.

The spelling of 2987816796 in words is "two billion, nine hundred eighty-seven million, eight hundred sixteen thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 82994911 165989822 248984733 331979644 497969466 746954199 995938932 1493908398 2987816796