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2856141000 = 23345337953
BaseRepresentation
bin1010101000111101…
…0100000011001000
321101001022222220000
42222033110003020
521322133003000
61151225003000
7130530540456
oct25217240310
97331288800
102856141000
111236243009
12678623460
1336695587b
141d14799d6
1511ab29000
hexaa3d40c8

2856141000 has 320 divisors, whose sum is σ = 10264391280. Its totient is φ = 740275200.

The previous prime is 2856140999. The next prime is 2856141007. The reversal of 2856141000 is 1416582.

It can be written as a sum of positive squares in 8 ways, for example, as 364733604 + 2491407396 = 19098^2 + 49914^2 .

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 (2856141007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2996524 + ... + 2997476.

Almost surely, 22856141000 is an apocalyptic number.

2856141000 is a gapful number since it is divisible by the number (20) 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 2856141000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5132195640).

2856141000 is an abundant number, since it is smaller than the sum of its proper divisors (7408250280).

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

2856141000 is a wasteful number, since it uses less digits than its factorization.

2856141000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2856141000 is about 53442.8760453627. The cubic root of 2856141000 is about 1418.8175370697.

Adding to 2856141000 its reverse (1416582), we get a palindrome (2857557582).

The spelling of 2856141000 in words is "two billion, eight hundred fifty-six million, one hundred forty-one thousand".