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5195385881 = 7742197983
BaseRepresentation
bin1001101011010101…
…10100110000011001
3111102002000221121022
410311222310300121
541120004322011
62215311052225
7242514023420
oct46552646031
914362027538
105195385881
112226729344
12100bb11075
1364a48b93a
143740022b7
1520619d8db
hex135ab4c19

5195385881 has 4 divisors (see below), whose sum is σ = 5937583872. Its totient is φ = 4453187892.

The previous prime is 5195385869. The next prime is 5195385887. The reversal of 5195385881 is 1885835915.

5195385881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5195385881 is a prime.

It is a super-2 number, since 2×51953858812 = 53984068904988292322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5195385887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371098985 + ... + 371098998.

It is an arithmetic number, because the mean of its divisors is an integer number (1484395968).

Almost surely, 25195385881 is an apocalyptic number.

It is an amenable number.

5195385881 is a deficient number, since it is larger than the sum of its proper divisors (742197991).

5195385881 is an equidigital number, since it uses as much as digits as its factorization.

5195385881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742197990.

The product of its digits is 1728000, while the sum is 53.

The square root of 5195385881 is about 72079.0252500684. The cubic root of 5195385881 is about 1731.9656320796.

The spelling of 5195385881 in words is "five billion, one hundred ninety-five million, three hundred eighty-five thousand, eight hundred eighty-one".

Divisors: 1 7 742197983 5195385881