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27141784943 = 7131943365069
BaseRepresentation
bin11001010001110001…
…101100010101101111
32121001120001112102012
4121101301230111233
5421041244104233
620245130351435
71650412236230
oct312161542557
977046045365
1027141784943
1110568914829
12531588b57b
1327371944a0
1414569cd087
15a8cc40548
hex651c6c56f

27141784943 has 32 divisors (see below), whose sum is σ = 35981299200. Its totient is φ = 19871381376.

The previous prime is 27141784939. The next prime is 27141784987. The reversal of 27141784943 is 34948714172.

It is not a de Polignac number, because 27141784943 - 22 = 27141784939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27141784891 and 27141784900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27141784903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108188 + ... + 256881.

It is an arithmetic number, because the mean of its divisors is an integer number (1124415600).

Almost surely, 227141784943 is an apocalyptic number.

27141784943 is a deficient number, since it is larger than the sum of its proper divisors (8839514257).

27141784943 is a wasteful number, since it uses less digits than its factorization.

27141784943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365151.

The product of its digits is 1354752, while the sum is 50.

The spelling of 27141784943 in words is "twenty-seven billion, one hundred forty-one million, seven hundred eighty-four thousand, nine hundred forty-three".

Divisors: 1 7 13 19 43 91 133 247 301 559 817 1729 3913 5719 10621 74347 365069 2555483 4745897 6936311 15697967 33221279 48554177 90172043 109885769 204073571 298261373 631204301 1428514997 2087829611 3877397849 27141784943