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47320993168 = 24109121322369
BaseRepresentation
bin101100000100100011…
…010000110110010000
311112010212210112010121
4230010203100312100
51233403133240133
633423341040024
73263441543131
oct540443206620
9145125715117
1047320993168
1119083515619
129207856014
134601a26797
14240ca03c88
15136e5aa02d
hexb048d0d90

47320993168 has 40 divisors (see below), whose sum is σ = 92605983800. Its totient is φ = 23423053824.

The previous prime is 47320993151. The next prime is 47320993169. The reversal of 47320993168 is 86139902374.

It can be written as a sum of positive squares in 4 ways, for example, as 1564360704 + 45756632464 = 39552^2 + 213908^2 .

It is not an unprimeable number, because it can be changed into a prime (47320993169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104288 + ... + 2126656.

It is an arithmetic number, because the mean of its divisors is an integer number (2315149595).

Almost surely, 247320993168 is an apocalyptic number.

It is an amenable number.

47320993168 is a deficient number, since it is larger than the sum of its proper divisors (45284990632).

47320993168 is a wasteful number, since it uses less digits than its factorization.

47320993168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23699 (or 23693 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 47320993168 in words is "forty-seven billion, three hundred twenty million, nine hundred ninety-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 109 218 436 872 1213 1744 2426 4852 9704 19408 22369 44738 89476 132217 178952 264434 357904 528868 1057736 2115472 2438221 4876442 9752884 19505768 27133597 39011536 54267194 108534388 217068776 434137552 2957562073 5915124146 11830248292 23660496584 47320993168