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8091680837212 = 2273531105974027
BaseRepresentation
bin111010110111111110111…
…0000110000111001011100
31001122120001011001111011201
41311233331300300321130
52030033230243242322
625113133350325244
71463414252163640
oct165577560607134
931576034044151
108091680837212
11263a731979195
12aa827b659824
13469071a1366b
141dd8d48b4c20
15e073ab5cd27
hex75bfdc30e5c

8091680837212 has 48 divisors (see below), whose sum is σ = 16230893656320. Its totient is φ = 3457679841792.

The previous prime is 8091680837173. The next prime is 8091680837237. The reversal of 8091680837212 is 2127380861908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109270143 + ... + 109344169.

It is an arithmetic number, because the mean of its divisors is an integer number (338143617840).

Almost surely, 28091680837212 is an apocalyptic number.

It is an amenable number.

8091680837212 is an abundant number, since it is smaller than the sum of its proper divisors (8139212819108).

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

8091680837212 is a wasteful number, since it uses less digits than its factorization.

8091680837212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85450 (or 85448 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 8091680837212 in words is "eight trillion, ninety-one billion, six hundred eighty million, eight hundred thirty-seven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 353 706 1412 2471 4942 9884 11059 22118 44236 74027 77413 148054 154826 296108 309652 518189 1036378 2072756 3903827 7807654 15615308 26131531 27326789 52263062 54653578 104526124 109307156 182920717 365841434 731682868 818664593 1637329186 3274658372 5730652151 11461304302 22922608604 288988601329 577977202658 1155954405316 2022920209303 4045840418606 8091680837212