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27974412548 = 2237189016301
BaseRepresentation
bin11010000011011001…
…111010100100000100
32200012120210101202122
4122003121322210010
5424242422200143
620503512425112
72010142404035
oct320331724404
980176711678
1027974412548
1110955910215
1255086a8198
13283a82c344
1414d540ca8c
15adadaec68
hex68367a904

27974412548 has 12 divisors (see below), whose sum is σ = 50278336332. Its totient is φ = 13609173600.

The previous prime is 27974412539. The next prime is 27974412551. The reversal of 27974412548 is 84521447972.

It can be written as a sum of positive squares in 2 ways, for example, as 18975613504 + 8998799044 = 137752^2 + 94862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27974412548.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94508003 + ... + 94508298.

It is an arithmetic number, because the mean of its divisors is an integer number (4189861361).

Almost surely, 227974412548 is an apocalyptic number.

It is an amenable number.

27974412548 is a deficient number, since it is larger than the sum of its proper divisors (22303923784).

27974412548 is a wasteful number, since it uses less digits than its factorization.

27974412548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189016342 (or 189016340 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

It can be divided in two parts, 279744 and 12548, that added together give a palindrome (292292).

The spelling of 27974412548 in words is "twenty-seven billion, nine hundred seventy-four million, four hundred twelve thousand, five hundred forty-eight".

Divisors: 1 2 4 37 74 148 189016301 378032602 756065204 6993603137 13987206274 27974412548