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230112111211 = 1811271337631
BaseRepresentation
bin1101011001001111000…
…0000010101001101011
3210222221220112102112121
43112103300002221223
512232232200024321
6253413445052111
722424251446463
oct3262360025153
9728856472477
10230112111211
1189654319024
12387200b7037
13189129a8568
14b1cd390ba3
155ebbd46441
hex3593c02a6b

230112111211 has 4 divisors (see below), whose sum is σ = 231383449024. Its totient is φ = 228840773400.

The previous prime is 230112111181. The next prime is 230112111217. The reversal of 230112111211 is 112111211032.

It is a happy number.

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 230112111211 - 25 = 230112111179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230112111217) 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, 635668635 + ... + 635668996.

It is an arithmetic number, because the mean of its divisors is an integer number (57845862256).

Almost surely, 2230112111211 is an apocalyptic number.

230112111211 is a deficient number, since it is larger than the sum of its proper divisors (1271337813).

230112111211 is a wasteful number, since it uses less digits than its factorization.

230112111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271337812.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 230112111211 its reverse (112111211032), we get a palindrome (342223322243).

The spelling of 230112111211 in words is "two hundred thirty billion, one hundred twelve million, one hundred eleven thousand, two hundred eleven".

Divisors: 1 181 1271337631 230112111211