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3085172303 = 15719650779
BaseRepresentation
bin1011011111100011…
…1111111001001111
321222000021222202212
42313320333321033
522304301003203
61230045541035
7136311350303
oct26770777117
97860258685
103085172303
111343554684
1272127477b
133a2235c55
14213a57d03
15130cba1d8
hexb7e3fe4f

3085172303 has 4 divisors (see below), whose sum is σ = 3104823240. Its totient is φ = 3065521368.

The previous prime is 3085172267. The next prime is 3085172309. The reversal of 3085172303 is 3032715803.

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 3085172303 - 26 = 3085172239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3085172303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085172309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9825233 + ... + 9825546.

It is an arithmetic number, because the mean of its divisors is an integer number (776205810).

Almost surely, 23085172303 is an apocalyptic number.

3085172303 is a deficient number, since it is larger than the sum of its proper divisors (19650937).

3085172303 is a wasteful number, since it uses less digits than its factorization.

3085172303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19650936.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3085172303 is about 55544.3273701284. The cubic root of 3085172303 is about 1455.7712601497.

The spelling of 3085172303 in words is "three billion, eighty-five million, one hundred seventy-two thousand, three hundred three".

Divisors: 1 157 19650779 3085172303