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30008330081 = 1071109252887
BaseRepresentation
bin11011111100101000…
…101100011101100001
32212110022222010002122
4123330220230131201
5442424113030311
621441410354025
72111430411542
oct337450543541
985408863078
1030008330081
11117a9a135a4
12599588b915
132aa3020842
1416495b64c9
15ba97220db
hex6fca2c761

30008330081 has 8 divisors (see below), whose sum is σ = 30316213440. Its totient is φ = 29700954928.

The previous prime is 30008330047. The next prime is 30008330083. The reversal of 30008330081 is 18003380003.

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 30008330081 - 214 = 30008313697 is a prime.

It is a super-2 number, since 2×300083300812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30008330081.

It is not an unprimeable number, because it can be changed into a prime (30008330083) 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, 7781 + ... + 245106.

It is an arithmetic number, because the mean of its divisors is an integer number (3789526680).

Almost surely, 230008330081 is an apocalyptic number.

It is an amenable number.

30008330081 is a deficient number, since it is larger than the sum of its proper divisors (307883359).

30008330081 is a wasteful number, since it uses less digits than its factorization.

30008330081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254103.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 30008330081 in words is "thirty billion, eight million, three hundred thirty thousand, eighty-one".

Divisors: 1 107 1109 118663 252887 27058909 280451683 30008330081