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5309187619 = 11934450283
BaseRepresentation
bin1001111000111001…
…11100011000100011
3111201000011200020111
410330130330120203
541333123000434
62234454152151
7245365231051
oct47434743043
914630150214
105309187619
11228499726a
121042052657
13667c25548
143851871d1
1521117c964
hex13c73c623

5309187619 has 4 divisors (see below), whose sum is σ = 5313639096. Its totient is φ = 5304736144.

The previous prime is 5309187617. The next prime is 5309187623. The reversal of 5309187619 is 9167819035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9167819035 = 51833563807.

It is a cyclic number.

It is not a de Polignac number, because 5309187619 - 21 = 5309187617 is a prime.

It is a super-2 number, since 2×53091876192 = 56374946347485778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5309187617) 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 3 ways as a sum of consecutive naturals, for example, 2223949 + ... + 2226334.

It is an arithmetic number, because the mean of its divisors is an integer number (1328409774).

Almost surely, 25309187619 is an apocalyptic number.

5309187619 is a deficient number, since it is larger than the sum of its proper divisors (4451477).

5309187619 is a wasteful number, since it uses less digits than its factorization.

5309187619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451476.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 5309187619 is about 72864.1723963156. The cubic root of 5309187619 is about 1744.5202873989.

The spelling of 5309187619 in words is "five billion, three hundred nine million, one hundred eighty-seven thousand, six hundred nineteen".

Divisors: 1 1193 4450283 5309187619