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30110220211 = 46916418721
BaseRepresentation
bin11100000010101101…
…010111111110110011
32212201102200200002011
4130002231113332303
5443131204021321
621455450303351
72114105435401
oct340255277663
985642620064
1030110220211
1111851486115
125a03a27b57
132abb176766
141658d3a471
15bb364bae1
hex702b57fb3

30110220211 has 4 divisors (see below), whose sum is σ = 30116643624. Its totient is φ = 30103796800.

The previous prime is 30110220149. The next prime is 30110220247. The reversal of 30110220211 is 11202201103.

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

It is a cyclic number.

It is not a de Polignac number, because 30110220211 - 27 = 30110220083 is a prime.

It is a super-2 number, since 2×301102202112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30110220191 and 30110220200.

It is not an unprimeable number, because it can be changed into a prime (30110227211) 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, 3204670 + ... + 3214051.

It is an arithmetic number, because the mean of its divisors is an integer number (7529160906).

Almost surely, 230110220211 is an apocalyptic number.

30110220211 is a deficient number, since it is larger than the sum of its proper divisors (6423413).

30110220211 is an equidigital number, since it uses as much as digits as its factorization.

30110220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423412.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30110220211 its reverse (11202201103), we get a palindrome (41312421314).

The spelling of 30110220211 in words is "thirty billion, one hundred ten million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 4691 6418721 30110220211