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5631945993696 = 2531131891933049
BaseRepresentation
bin101000111110100101000…
…1000111110110111100000
3201221102000222222210210010
41101331022020332313200
51214233211133244241
615551140312204520
71120615605036051
oct121751210766740
921842028883703
105631945993696
111881549763a40
1276b613399740
1331b123302109
141568326b2728
159b776e5dd16
hex51f4a23ede0

5631945993696 has 192 divisors, whose sum is σ = 16835164416000. Its totient is φ = 1633038950400.

The previous prime is 5631945993679. The next prime is 5631945993731. The reversal of 5631945993696 is 6963995491365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1946980 + ... + 3880028.

It is an arithmetic number, because the mean of its divisors is an integer number (87683148000).

Almost surely, 25631945993696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5631945993696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8417582208000).

5631945993696 is an abundant number, since it is smaller than the sum of its proper divisors (11203218422304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5631945993696 is a wasteful number, since it uses less digits than its factorization.

5631945993696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933193 (or 1933185 counting only the distinct ones).

The product of its digits is 1275458400, while the sum is 75.

The spelling of 5631945993696 in words is "five trillion, six hundred thirty-one billion, nine hundred forty-five million, nine hundred ninety-three thousand, six hundred ninety-six".