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27996126245 = 56427187119
BaseRepresentation
bin11010000100101100…
…101111110000100101
32200021002122120100122
4122010230233300211
5424314002014440
620510010051325
72010525101213
oct320454576045
980232576318
1027996126245
11109670a101a
125513a19b45
132842192799
1414d8261cb3
15adcc4d7b5
hex684b2fc25

27996126245 has 8 divisors (see below), whose sum is σ = 33596259840. Its totient is φ = 22396295440.

The previous prime is 27996126239. The next prime is 27996126247. The reversal of 27996126245 is 54262169972.

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

It is not a de Polignac number, because 27996126245 - 26 = 27996126181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27996126247) 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, 277796 + ... + 364914.

It is an arithmetic number, because the mean of its divisors is an integer number (4199532480).

Almost surely, 227996126245 is an apocalyptic number.

It is an amenable number.

27996126245 is a deficient number, since it is larger than the sum of its proper divisors (5600133595).

27996126245 is an equidigital number, since it uses as much as digits as its factorization.

27996126245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151395.

The product of its digits is 3265920, while the sum is 53.

The spelling of 27996126245 in words is "twenty-seven billion, nine hundred ninety-six million, one hundred twenty-six thousand, two hundred forty-five".

Divisors: 1 5 64271 87119 321355 435595 5599225249 27996126245