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2685203136 = 26347211312
BaseRepresentation
bin1010000000001100…
…1111001011000000
320221010200110020000
42200003033023000
520444403000021
61122241120000
7123353564400
oct24003171300
96833613200
102685203136
1111587aa950
1262b329000
1333a4056c5
141b68a0800
1510ab10b26
hexa00cf2c0

2685203136 has 630 divisors, whose sum is σ = 10437450804. Its totient is φ = 674956800.

The previous prime is 2685203111. The next prime is 2685203189. The reversal of 2685203136 is 6313025862.

2685203136 = 3153 + 3163 + ... + 3783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2685203136.

It is an unprimeable number.

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 89 ways as a sum of consecutive naturals, for example, 86619441 + ... + 86619471.

Almost surely, 22685203136 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 2685203136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5218725402).

2685203136 is an abundant number, since it is smaller than the sum of its proper divisors (7752247668).

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

2685203136 is a wasteful number, since it uses less digits than its factorization.

2685203136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2685203136 is about 51818.9457245128. The cubic root of 2685203136 is about 1389.9282498375.

Adding to 2685203136 its reverse (6313025862), we get a palindrome (8998228998).

The spelling of 2685203136 in words is "two billion, six hundred eighty-five million, two hundred three thousand, one hundred thirty-six".