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28318166342 = 214159083171
BaseRepresentation
bin11010010111111001…
…001110110101000110
32201002112121220022122
4122113321032311012
5430443422310332
621001552325542
72021515304504
oct322771166506
981075556278
1028318166342
1111011959564
1255a38438b2
132893b0945b
141528d31674
15b0b162c12
hex697e4ed46

28318166342 has 4 divisors (see below), whose sum is σ = 42477249516. Its totient is φ = 14159083170.

The previous prime is 28318166311. The next prime is 28318166363. The reversal of 28318166342 is 24366181382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24366181382 = 212183090691.

It is a junction number, because it is equal to n+sod(n) for n = 28318166293 and 28318166302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7079541584 + ... + 7079541587.

It is an arithmetic number, because the mean of its divisors is an integer number (10619312379).

Almost surely, 228318166342 is an apocalyptic number.

28318166342 is a deficient number, since it is larger than the sum of its proper divisors (14159083174).

28318166342 is a wasteful number, since it uses less digits than its factorization.

28318166342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14159083173.

The product of its digits is 331776, while the sum is 44.

The spelling of 28318166342 in words is "twenty-eight billion, three hundred eighteen million, one hundred sixty-six thousand, three hundred forty-two".

Divisors: 1 2 14159083171 28318166342