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30110211211 = 92581325231
BaseRepresentation
bin11100000010101101…
…010101110010001011
32212201102200012201211
4130002231111302023
5443131203224321
621455450153551
72114105400223
oct340255256213
985642605654
1030110211211
111185147a383
125a03a228b7
132abb172632
141658d37083
15bb36490e1
hex702b55c8b

30110211211 has 4 divisors (see below), whose sum is σ = 30110629024. Its totient is φ = 30109793400.

The previous prime is 30110211199. The next prime is 30110211223. The reversal of 30110211211 is 11211201103.

Adding to 30110211211 its reverse (11211201103), we get a palindrome (41321412314).

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (30110211199) and next prime (30110211223).

It is a cyclic number.

It is not a de Polignac number, because 30110211211 - 215 = 30110178443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30110211191 and 30110211200.

It is not an unprimeable number, because it can be changed into a prime (30111211211) 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, 70035 + ... + 255196.

It is an arithmetic number, because the mean of its divisors is an integer number (7527657256).

Almost surely, 230110211211 is an apocalyptic number.

30110211211 is a deficient number, since it is larger than the sum of its proper divisors (417813).

30110211211 is an equidigital number, since it uses as much as digits as its factorization.

30110211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417812.

The product of its (nonzero) digits is 12, while the sum is 13.

The spelling of 30110211211 in words is "thirty billion, one hundred ten million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 92581 325231 30110211211