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5187020185 = 52935772553
BaseRepresentation
bin1001101010010101…
…11010010110011001
3111101111021221000201
410311022322112121
541110334121220
62214411502201
7242352641554
oct46512722631
914344257021
105187020185
112221a35046
121009157961
1364881cc19
14372c6569b
15205599d0a
hex1352ba599

5187020185 has 8 divisors (see below), whose sum is σ = 6439059720. Its totient is φ = 4006525824.

The previous prime is 5187020141. The next prime is 5187020203. The reversal of 5187020185 is 5810207815.

It can be written as a sum of positive squares in 4 ways, for example, as 4748041 + 5182272144 = 2179^2 + 71988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5187020185 - 27 = 5187020057 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17886132 + ... + 17886421.

It is an arithmetic number, because the mean of its divisors is an integer number (804882465).

Almost surely, 25187020185 is an apocalyptic number.

It is an amenable number.

5187020185 is a deficient number, since it is larger than the sum of its proper divisors (1252039535).

5187020185 is a wasteful number, since it uses less digits than its factorization.

5187020185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35772587.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 5187020185 is about 72020.9704530562. The cubic root of 5187020185 is about 1731.0355194683.

The spelling of 5187020185 in words is "five billion, one hundred eighty-seven million, twenty thousand, one hundred eighty-five".

Divisors: 1 5 29 145 35772553 178862765 1037404037 5187020185