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2685130000 = 2454789431
BaseRepresentation
bin1010000000001011…
…1101010100010000
320221010112201220021
42200002331110100
520444343130000
61122235353224
7123353141230
oct24002752420
96833481807
102685130000
11115875aa03
1262b2b2814
1333a3ab327
141b6881cc0
1510aae911a
hexa00bd510

2685130000 has 200 divisors, whose sum is σ = 7530589440. Its totient is φ = 908160000.

The previous prime is 2685129983. The next prime is 2685130003. The reversal of 2685130000 is 315862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2685130003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6229785 + ... + 6230215.

Almost surely, 22685130000 is an apocalyptic number.

2685130000 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 2685130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765294720).

2685130000 is an abundant number, since it is smaller than the sum of its proper divisors (4845459440).

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

2685130000 is an equidigital number, since it uses as much as digits as its factorization.

2685130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2685130000 is about 51818.2400318652. The cubic root of 2685130000 is about 1389.9156307158.

Adding to 2685130000 its reverse (315862), we get a palindrome (2685445862).

The spelling of 2685130000 in words is "two billion, six hundred eighty-five million, one hundred thirty thousand".