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80021333683200 = 210352713891271013
BaseRepresentation
bin10010001100011101101011…
…001010110010110000000000
3101111022222001022221102021210
4102030131223022302300000
540442032142410330300
6442105143155250120
722566231150333420
oct2214355312626000
9344288038842253
1080021333683200
1123551947792088
128b848068a9940
133585c969393c0
1415a90a6048480
1593b8127ea050
hex48c76b2b2c00

80021333683200 has 2112 divisors, whose sum is σ = 332084025262080. Its totient is φ = 16546120335360.

The previous prime is 80021333683183. The next prime is 80021333683241. The reversal of 80021333683200 is 238633312008.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78994405894 + ... + 78994406906.

Almost surely, 280021333683200 is an apocalyptic number.

80021333683200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80021333683200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166042012631040).

80021333683200 is an abundant number, since it is smaller than the sum of its proper divisors (252062691578880).

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

80021333683200 is a wasteful number, since it uses less digits than its factorization.

80021333683200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 80021333683200 its reverse (238633312008), we get a palindrome (80259966995208).

The spelling of 80021333683200 in words is "eighty trillion, twenty-one billion, three hundred thirty-three million, six hundred eighty-three thousand, two hundred".