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27939702133 = 7191178911681
BaseRepresentation
bin11010000001010101…
…100000010101110101
32200010011110221000201
4122001111200111311
5424210030432013
620500232440501
72006241356350
oct320125402565
980104427021
1027939702133
1110938262822
1254b8b49131
132833598335
1414d0975297
15ad7d053dd
hex681560575

27939702133 has 16 divisors (see below), whose sum is σ = 32118958080. Its totient is φ = 23807577600.

The previous prime is 27939702121. The next prime is 27939702151. The reversal of 27939702133 is 33120793972.

It is a cyclic number.

It is not a de Polignac number, because 27939702133 - 213 = 27939693941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27939702163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386053 + ... + 2397733.

It is an arithmetic number, because the mean of its divisors is an integer number (2007434880).

Almost surely, 227939702133 is an apocalyptic number.

It is an amenable number.

27939702133 is a deficient number, since it is larger than the sum of its proper divisors (4179255947).

27939702133 is a wasteful number, since it uses less digits than its factorization.

27939702133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668.

The product of its (nonzero) digits is 428652, while the sum is 46.

The spelling of 27939702133 in words is "twenty-seven billion, nine hundred thirty-nine million, seven hundred two thousand, one hundred thirty-three".

Divisors: 1 7 191 1337 1789 11681 12523 81767 341699 2231071 2391893 15617497 20897309 146281163 3991386019 27939702133