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1992080931456 = 273711599071259
BaseRepresentation
bin11100111111010001010…
…001101011101010000000
321001102220112201111011010
4130333101101223222000
5230114240204301311
64123052131520520
7263631423350460
oct34772121535200
97042815644133
101992080931456
116a8922830440
122820b3a59140
13115b10a195b5
146c5bac51ba0
1536c42b6bda6
hex1cfd146ba80

1992080931456 has 512 divisors, whose sum is σ = 6721698816000. Its totient is φ = 507689349120.

The previous prime is 1992080931433. The next prime is 1992080931481. The reversal of 1992080931456 is 6541390802991.

It is a junction number, because it is equal to n+sod(n) for n = 1992080931396 and 1992080931405.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1582271755 + ... + 1582273013.

It is an arithmetic number, because the mean of its divisors is an integer number (13128318000).

Almost surely, 21992080931456 is an apocalyptic number.

1992080931456 is a gapful number since it is divisible by the number (16) 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 1992080931456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3360849408000).

1992080931456 is an abundant number, since it is smaller than the sum of its proper divisors (4729617884544).

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

1992080931456 is a wasteful number, since it uses less digits than its factorization.

1992080931456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 1992080931456 in words is "one trillion, nine hundred ninety-two billion, eighty million, nine hundred thirty-one thousand, four hundred fifty-six".