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27485731234 = 2131636485543
BaseRepresentation
bin11001100110010001…
…101111100110100010
32121221112020211000201
4121212101233212202
5422242321344414
620343214335414
71662056601133
oct314621574642
977845224021
1027485731234
1110724a84765
1253b0aba56a
13279050b0c0
14148a561c8a
15aad030574
hex66646f9a2

27485731234 has 16 divisors (see below), whose sum is σ = 44672427072. Its totient is φ = 12607893648.

The previous prime is 27485731187. The next prime is 27485731241. The reversal of 27485731234 is 43213758472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3238534 + ... + 3247009.

It is an arithmetic number, because the mean of its divisors is an integer number (2792026692).

Almost surely, 227485731234 is an apocalyptic number.

27485731234 is a deficient number, since it is larger than the sum of its proper divisors (17186695838).

27485731234 is a wasteful number, since it uses less digits than its factorization.

27485731234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485721.

The product of its digits is 1128960, while the sum is 46.

The spelling of 27485731234 in words is "twenty-seven billion, four hundred eighty-five million, seven hundred thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 13 26 163 326 2119 4238 6485543 12971086 84312059 168624118 1057143509 2114287018 13742865617 27485731234