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27412042721 = 75776786839
BaseRepresentation
bin11001100001111000…
…101001001111100001
32121202101121001101112
4121201320221033201
5422114440331341
620332023113105
71660203342620
oct314170511741
977671531345
1027412042721
1110697424468
1253902a2795
13277b17a72b
14148085d6b7
15aa6826aeb
hex661e293e1

27412042721 has 8 divisors (see below), whose sum is σ = 31382348160. Its totient is φ = 23455312128.

The previous prime is 27412042673. The next prime is 27412042727. The reversal of 27412042721 is 12724021472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27412042721 - 26 = 27412042657 is a prime.

It is a super-2 number, since 2×274120427212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27412042727) 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 7 ways as a sum of consecutive naturals, for example, 3389381 + ... + 3397458.

It is an arithmetic number, because the mean of its divisors is an integer number (3922793520).

Almost surely, 227412042721 is an apocalyptic number.

It is an amenable number.

27412042721 is a deficient number, since it is larger than the sum of its proper divisors (3970305439).

27412042721 is an equidigital number, since it uses as much as digits as its factorization.

27412042721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787423.

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 27412042721 in words is "twenty-seven billion, four hundred twelve million, forty-two thousand, seven hundred twenty-one".

Divisors: 1 7 577 4039 6786839 47507873 3916006103 27412042721