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30383408843 = 97981731907
BaseRepresentation
bin11100010010111111…
…100000011011001011
32220102110202002102122
4130102333200123023
5444211123040333
621542525521455
72123633466614
oct342277403313
986373662378
1030383408843
1111981707847
125a7b41328b
132b32947a38
141683330c0b
15bcc611798
hex712fe06cb

30383408843 has 8 divisors (see below), whose sum is σ = 30700728912. Its totient is φ = 30066172416.

The previous prime is 30383408821. The next prime is 30383408851. The reversal of 30383408843 is 34880438303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30383408843 - 210 = 30383407819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30383408794 and 30383408803.

It is not an unprimeable number, because it can be changed into a prime (30383408863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936296 + ... + 968202.

It is an arithmetic number, because the mean of its divisors is an integer number (3837591114).

Almost surely, 230383408843 is an apocalyptic number.

30383408843 is a deficient number, since it is larger than the sum of its proper divisors (317320069).

30383408843 is an equidigital number, since it uses as much as digits as its factorization.

30383408843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41821.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 30383408843 in words is "thirty billion, three hundred eighty-three million, four hundred eight thousand, eight hundred forty-three".

Divisors: 1 97 9817 31907 952249 3094979 313231019 30383408843