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30223121211 = 3238963113681
BaseRepresentation
bin11100001001011100…
…000011101100111011
32220000022010122010200
4130021130003230323
5443344104334321
621515002213243
72116646202003
oct341134035473
986008118120
1030223121211
11118aa189328
125a357b4223
132b0868639a
141669d29003
15bbd4edd26
hex709703b3b

30223121211 has 24 divisors (see below), whose sum is σ = 43840411680. Its totient is φ = 20063635200.

The previous prime is 30223121209. The next prime is 30223121221. The reversal of 30223121211 is 11212132203.

It is not a de Polignac number, because 30223121211 - 21 = 30223121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30223121221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2202291 + ... + 2215971.

It is an arithmetic number, because the mean of its divisors is an integer number (1826683820).

Almost surely, 230223121211 is an apocalyptic number.

30223121211 is a deficient number, since it is larger than the sum of its proper divisors (13617290469).

30223121211 is a wasteful number, since it uses less digits than its factorization.

30223121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14707 (or 14704 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30223121211 its reverse (11212132203), we get a palindrome (41435253414).

The spelling of 30223121211 in words is "thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 3 9 389 631 1167 1893 3501 5679 13681 41043 123129 245459 736377 2209131 5321909 8632711 15965727 25898133 47897181 77694399 3358124579 10074373737 30223121211