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30446320417 = 101301448717
BaseRepresentation
bin11100010110101111…
…011111101100100001
32220120212010022212221
4130112233133230201
5444323224223132
621553054151041
72125326311362
oct342657375441
986525108787
1030446320417
1111a04177187
125a984b2481
132b429a4016
14168b829b69
15bd2ddbe97
hex716bdfb21

30446320417 has 4 divisors (see below), whose sum is σ = 30747769236. Its totient is φ = 30144871600.

The previous prime is 30446320379. The next prime is 30446320433. The reversal of 30446320417 is 71402364403.

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 12922915041 + 17523405376 = 113679^2 + 132376^2 .

It is a cyclic number.

It is not a de Polignac number, because 30446320417 - 211 = 30446318369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30446320477) 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, 150724258 + ... + 150724459.

It is an arithmetic number, because the mean of its divisors is an integer number (7686942309).

Almost surely, 230446320417 is an apocalyptic number.

It is an amenable number.

30446320417 is a deficient number, since it is larger than the sum of its proper divisors (301448819).

30446320417 is a wasteful number, since it uses less digits than its factorization.

30446320417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301448818.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 30446320417 in words is "thirty billion, four hundred forty-six million, three hundred twenty thousand, four hundred seventeen".

Divisors: 1 101 301448717 30446320417