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30441444419 = 160119014019
BaseRepresentation
bin11100010110011100…
…111001010001000011
32220120111221121021102
4130112130321101003
5444321002210134
621552401445015
72125240002551
oct342634712103
986514847242
1030441444419
1111a01446831
125a9694076b
132b41987809
14168ad1abd1
15bd277737e
hex716739443

30441444419 has 4 divisors (see below), whose sum is σ = 30460460040. Its totient is φ = 30422428800.

The previous prime is 30441444379. The next prime is 30441444421. The reversal of 30441444419 is 91444414403.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30441444419 is a prime.

It is a super-2 number, since 2×304414444192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30441444479) 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, 9505409 + ... + 9508610.

It is an arithmetic number, because the mean of its divisors is an integer number (7615115010).

Almost surely, 230441444419 is an apocalyptic number.

30441444419 is a deficient number, since it is larger than the sum of its proper divisors (19015621).

30441444419 is a wasteful number, since it uses less digits than its factorization.

30441444419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19015620.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 30441444419 in words is "thirty billion, four hundred forty-one million, four hundred forty-four thousand, four hundred nineteen".

Divisors: 1 1601 19014019 30441444419