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30111210203 = 171993223561
BaseRepresentation
bin11100000010110001…
…001001101011011011
32212201111112222002112
4130002301021223123
5443131432211303
621455523422535
72114120030564
oct340261115333
985644488075
1030111210203
1111851aa1998
125a04224a4b
132abb432259
14165911716b
15bb37950d8
hex702c49adb

30111210203 has 8 divisors (see below), whose sum is σ = 33560482320. Its totient is φ = 26848385280.

The previous prime is 30111210193. The next prime is 30111210211. The reversal of 30111210203 is 30201211103.

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 30111210203 - 24 = 30111210187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111210293) 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 7 ways as a sum of consecutive naturals, for example, 46611458 + ... + 46612103.

It is an arithmetic number, because the mean of its divisors is an integer number (4195060290).

Almost surely, 230111210203 is an apocalyptic number.

30111210203 is a deficient number, since it is larger than the sum of its proper divisors (3449272117).

30111210203 is a wasteful number, since it uses less digits than its factorization.

30111210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93223597.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30111210203 its reverse (30201211103), we get a palindrome (60312421306).

The spelling of 30111210203 in words is "thirty billion, one hundred eleven million, two hundred ten thousand, two hundred three".

Divisors: 1 17 19 323 93223561 1584800537 1771247659 30111210203