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5187374505 = 325115274989
BaseRepresentation
bin1001101010011000…
…10000110110101001
3111101111221221001200
410311030100312221
541110431441010
62214423234413
7242355645555
oct46514206651
914344857050
105187374505
112222157275
1210092a8a09
13648915291
14372d18865
15205619cc0
hex135310da9

5187374505 has 12 divisors (see below), whose sum is σ = 8991449220. Its totient is φ = 2766599712.

The previous prime is 5187374501. The next prime is 5187374557. The reversal of 5187374505 is 5054737815.

It is a happy number.

5187374505 is a `hidden beast` number, since 5 + 1 + 8 + 73 + 74 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3265779609 + 1921594896 = 57147^2 + 43836^2 .

It is not a de Polignac number, because 5187374505 - 22 = 5187374501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 115274989 = 5187374505 / (5 + 1 + 8 + 7 + 3 + 7 + 4 + 5 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (5187374501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57637450 + ... + 57637539.

It is an arithmetic number, because the mean of its divisors is an integer number (749287435).

Almost surely, 25187374505 is an apocalyptic number.

It is an amenable number.

5187374505 is a deficient number, since it is larger than the sum of its proper divisors (3804074715).

5187374505 is a wasteful number, since it uses less digits than its factorization.

5187374505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115275000 (or 115274997 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The square root of 5187374505 is about 72023.4302501623. The cubic root of 5187374505 is about 1731.0749336546.

The spelling of 5187374505 in words is "five billion, one hundred eighty-seven million, three hundred seventy-four thousand, five hundred five".

Divisors: 1 3 5 9 15 45 115274989 345824967 576374945 1037474901 1729124835 5187374505