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2685225271 = 16671610813
BaseRepresentation
bin1010000000001101…
…0100100100110111
320221010201120120211
42200003110210313
520444404202041
61122241410251
7123354016051
oct24003244467
96833646524
102685225271
111158815543
1262b339987
1333a4127c1
141b68a88d1
1510ab17481
hexa00d4937

2685225271 has 4 divisors (see below), whose sum is σ = 2686837752. Its totient is φ = 2683612792.

The previous prime is 2685225203. The next prime is 2685225281. The reversal of 2685225271 is 1725225862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2685225271 - 217 = 2685094199 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685225281) 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 3 ways as a sum of consecutive naturals, for example, 803740 + ... + 807073.

It is an arithmetic number, because the mean of its divisors is an integer number (671709438).

Almost surely, 22685225271 is an apocalyptic number.

2685225271 is a deficient number, since it is larger than the sum of its proper divisors (1612481).

2685225271 is a wasteful number, since it uses less digits than its factorization.

2685225271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612480.

The product of its digits is 134400, while the sum is 40.

The square root of 2685225271 is about 51819.1593042573. The cubic root of 2685225271 is about 1389.9320690367.

The spelling of 2685225271 in words is "two billion, six hundred eighty-five million, two hundred twenty-five thousand, two hundred seventy-one".

Divisors: 1 1667 1610813 2685225271