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30111000211 = 64746539413
BaseRepresentation
bin11100000010110000…
…010110011010010011
32212201111011022001001
4130002300112122103
5443131404001321
621455515122431
72114115164425
oct340260263223
985644138031
1030111000211
1111851969146
125a04143417
132abb38a7b6
1416590a0815
15bb3752c91
hex702c16693

30111000211 has 4 divisors (see below), whose sum is σ = 30157540272. Its totient is φ = 30064460152.

The previous prime is 30111000191. The next prime is 30111000221. The reversal of 30111000211 is 11200011103.

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 30111000211 - 225 = 30077445779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111000221) 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, 23269060 + ... + 23270353.

It is an arithmetic number, because the mean of its divisors is an integer number (7539385068).

Almost surely, 230111000211 is an apocalyptic number.

30111000211 is a deficient number, since it is larger than the sum of its proper divisors (46540061).

30111000211 is an equidigital number, since it uses as much as digits as its factorization.

30111000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46540060.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 30111000211 its reverse (11200011103), we get a palindrome (41311011314).

The spelling of 30111000211 in words is "thirty billion, one hundred eleven million, two hundred eleven", and thus it is an aban number.

Divisors: 1 647 46539413 30111000211