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30368505005 = 56073701001
BaseRepresentation
bin11100010010000110…
…101001110010101101
32220101102200220012122
4130102012221302231
5444143314130010
621541234242325
72123363014316
oct342206516255
986342626178
1030368505005
1111974258323
125a764263a5
132b2c82a0b7
14168137160d
15bcb16a855
hex7121a9cad

30368505005 has 4 divisors (see below), whose sum is σ = 36442206012. Its totient is φ = 24294804000.

The previous prime is 30368504989. The next prime is 30368505017. The reversal of 30368505005 is 50050586303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7236224356 + 23132280649 = 85066^2 + 152093^2 .

It is not a de Polignac number, because 30368505005 - 24 = 30368504989 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3036850496 + ... + 3036850505.

It is an arithmetic number, because the mean of its divisors is an integer number (9110551503).

Almost surely, 230368505005 is an apocalyptic number.

It is an amenable number.

30368505005 is a deficient number, since it is larger than the sum of its proper divisors (6073701007).

30368505005 is an equidigital number, since it uses as much as digits as its factorization.

30368505005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073701006.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 30368505005 in words is "thirty billion, three hundred sixty-eight million, five hundred five thousand, five".

Divisors: 1 5 6073701001 30368505005