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8256000000 = 21235643
BaseRepresentation
bin1111011000001100…
…01001000000000000
3210022101010020212210
413230012021000000
5113402014000000
63443122422120
7411406561563
oct75406110000
923271106783
108256000000
113557329aa6
121724b01940
13a175a6801
145846a64da
15334c17350
hex1ec189000

8256000000 has 364 divisors, whose sum is σ = 28156202096. Its totient is φ = 2150400000.

The previous prime is 8255999993. The next prime is 8256000001. The reversal of 8256000000 is 6528.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8256000001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 191999979 + ... + 192000021.

Almost surely, 28256000000 is an apocalyptic number.

8256000000 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 8256000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14078101048).

8256000000 is an abundant number, since it is smaller than the sum of its proper divisors (19900202096).

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

8256000000 is an frugal number, since it uses more digits than its factorization.

8256000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8256000000 is about 90862.5335328044. The cubic root of 8256000000 is about 2021.1097388834.

Adding to 8256000000 its reverse (6528), we get a palindrome (8256006528).

The spelling of 8256000000 in words is "eight billion, two hundred fifty-six million", and thus it is an aban number.