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27141444431 = 239113562529
BaseRepresentation
bin11001010001110000…
…011001001101001111
32121001112102020022122
4121101300121031033
5421041202210211
620245115203155
71650406320413
oct312160311517
977045366278
1027141444431
1110568701a12
1253157464bb
1327370a54ba
141456940d43
15a8cbc46db
hex651c1934f

27141444431 has 4 divisors (see below), whose sum is σ = 27255007200. Its totient is φ = 27027881664.

The previous prime is 27141444419. The next prime is 27141444439. The reversal of 27141444431 is 13444414172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27141444431 - 226 = 27074335567 is a prime.

It is a super-2 number, since 2×271414444312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27141444391 and 27141444400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27141444439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56781026 + ... + 56781503.

It is an arithmetic number, because the mean of its divisors is an integer number (6813751800).

Almost surely, 227141444431 is an apocalyptic number.

27141444431 is a deficient number, since it is larger than the sum of its proper divisors (113562769).

27141444431 is a wasteful number, since it uses less digits than its factorization.

27141444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113562768.

The product of its digits is 43008, while the sum is 35.

The spelling of 27141444431 in words is "twenty-seven billion, one hundred forty-one million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 239 113562529 27141444431