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27974211406 = 224166187803
BaseRepresentation
bin11010000011011001…
…001001011101001110
32200012120102011211221
4122003121021131032
5424242344231111
620503504233554
72010140605441
oct320331113516
980176364757
1027974211406
1110955793089
12550860b8ba
13283a78b91b
1414d5399658
15adad70371
hex68364974e

27974211406 has 16 divisors (see below), whose sum is σ = 42199656048. Its totient is φ = 13907836800.

The previous prime is 27974211401. The next prime is 27974211413. The reversal of 27974211406 is 60411247972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27974211401) 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, 274701 + ... + 362503.

It is an arithmetic number, because the mean of its divisors is an integer number (2637478503).

Almost surely, 227974211406 is an apocalyptic number.

27974211406 is a deficient number, since it is larger than the sum of its proper divisors (14225444642).

27974211406 is a wasteful number, since it uses less digits than its factorization.

27974211406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88707.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 27974211406 in words is "twenty-seven billion, nine hundred seventy-four million, two hundred eleven thousand, four hundred six".

Divisors: 1 2 241 482 661 1322 87803 159301 175606 318602 21160523 42321046 58037783 116075566 13987105703 27974211406