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2813216285 = 511197093797
BaseRepresentation
bin1010011110101110…
…0100011000011101
321021001120012020202
42213223210120131
521230140410120
61143052553245
7126466641515
oct24753443035
97231505222
102813216285
111213a95040
12666182825
1335aaa6a29
141c98a4845
15116e9a875
hexa7ae461d

2813216285 has 32 divisors (see below), whose sum is σ = 3883075200. Its totient is φ = 1935048960.

The previous prime is 2813216281. The next prime is 2813216299. The reversal of 2813216285 is 5826123182.

It is not a de Polignac number, because 2813216285 - 22 = 2813216281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813216281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739007 + ... + 742803.

It is an arithmetic number, because the mean of its divisors is an integer number (121346100).

Almost surely, 22813216285 is an apocalyptic number.

It is an amenable number.

2813216285 is a deficient number, since it is larger than the sum of its proper divisors (1069858915).

2813216285 is a wasteful number, since it uses less digits than its factorization.

2813216285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541.

The product of its digits is 46080, while the sum is 38.

The square root of 2813216285 is about 53039.7613588146. The cubic root of 2813216285 is about 1411.6738642598.

The spelling of 2813216285 in words is "two billion, eight hundred thirteen million, two hundred sixteen thousand, two hundred eighty-five".

Divisors: 1 5 11 19 55 95 209 709 1045 3545 3797 7799 13471 18985 38995 41767 67355 72143 148181 208835 360715 740905 793573 2692073 3967865 13460365 29612803 51149387 148064015 255746935 562643257 2813216285