Base | Representation |
---|---|
bin | 11100010010000110… |
… | …101001110010101101 |
3 | 2220101102200220012122 |
4 | 130102012221302231 |
5 | 444143314130010 |
6 | 21541234242325 |
7 | 2123363014316 |
oct | 342206516255 |
9 | 86342626178 |
10 | 30368505005 |
11 | 11974258323 |
12 | 5a764263a5 |
13 | 2b2c82a0b7 |
14 | 168137160d |
15 | bcb16a855 |
hex | 7121a9cad |
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".
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