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27137486748 = 2232261457229
BaseRepresentation
bin11001010001100001…
…010010111110011100
32121001020222011101210
4121101201102332130
5421034144033443
620244454304420
71650330555111
oct312141227634
977036864353
1027137486748
11105664494a9
125314358110
13273631ac88
1414561d0908
15a8c691c33
hex651852f9c

27137486748 has 12 divisors (see below), whose sum is σ = 63320802440. Its totient is φ = 9045828912.

The previous prime is 27137486737. The next prime is 27137486791. The reversal of 27137486748 is 84768473172.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 1130728603 + ... + 1130728626.

Almost surely, 227137486748 is an apocalyptic number.

It is an amenable number.

27137486748 is an abundant number, since it is smaller than the sum of its proper divisors (36183315692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27137486748 is a wasteful number, since it uses less digits than its factorization.

27137486748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261457236 (or 2261457234 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 57.

The spelling of 27137486748 in words is "twenty-seven billion, one hundred thirty-seven million, four hundred eighty-six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 2261457229 4522914458 6784371687 9045828916 13568743374 27137486748