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27842681376 = 2532197490741
BaseRepresentation
bin11001111011100011…
…011001101000100000
32122212101220202120100
4121323203121220200
5424010211301001
620442445142400
72003652613116
oct317343315040
978771822510
1027842681376
1110898516684
12549055aa00
1328194588c3
1414c1b1bab6
15ace53d586
hex67b8d9a20

27842681376 has 72 divisors (see below), whose sum is σ = 79579704204. Its totient is φ = 9233763840.

The previous prime is 27842681357. The next prime is 27842681429. The reversal of 27842681376 is 67318624872.

27842681376 is a `hidden beast` number, since 2 + 7 + 8 + 4 + 268 + 1 + 376 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20470741776 + 7371939600 = 143076^2 + 85860^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 188635 + ... + 302106.

Almost surely, 227842681376 is an apocalyptic number.

It is an amenable number.

27842681376 is an abundant number, since it is smaller than the sum of its proper divisors (51737022828).

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

27842681376 is a wasteful number, since it uses less digits than its factorization.

27842681376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490954 (or 490943 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 27842681376 in words is "twenty-seven billion, eight hundred forty-two million, six hundred eighty-one thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 197 288 394 591 788 1182 1576 1773 2364 3152 3546 4728 6304 7092 9456 14184 18912 28368 56736 490741 981482 1472223 1962964 2944446 3925928 4416669 5888892 7851856 8833338 11777784 15703712 17666676 23555568 35333352 47111136 70666704 96675977 141333408 193351954 290027931 386703908 580055862 773407816 870083793 1160111724 1546815632 1740167586 2320223448 3093631264 3480335172 4640446896 6960670344 9280893792 13921340688 27842681376