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7803081000000 = 26335611134347
BaseRepresentation
bin111000110001100101111…
…0111110000010001000000
31000121222010010112201211000
41301203023313300101000
52010321202214000000
624332404054252000
71433516423064426
oct161431367602100
930558103481730
107803081000000
1125392a4886a30
12a60358057000
13447a9a9a9b10
141cd95784b116
15d7e99235000
hex718cbdf0440

7803081000000 has 3136 divisors, whose sum is σ = 35203949383680. Its totient is φ = 1669248000000.

The previous prime is 7803080999929. The next prime is 7803081000007. The reversal of 7803081000000 is 1803087.

It is a super-2 number, since 2×78030810000002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7803081000007) by changing a digit.

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 447 ways as a sum of consecutive naturals, for example, 166022999977 + ... + 166023000023.

Almost surely, 27803081000000 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 7803081000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17601974691840).

7803081000000 is an abundant number, since it is smaller than the sum of its proper divisors (27400868383680).

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

7803081000000 is a wasteful number, since it uses less digits than its factorization.

7803081000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 7803081000000 its reverse (1803087), we get a palindrome (7803082803087).

The spelling of 7803081000000 in words is "seven trillion, eight hundred three billion, eighty-one million", and thus it is an aban number.