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30223012122 = 2321679056229
BaseRepresentation
bin11100001001011011…
…101001000100011010
32220000021221002111100
4130021123221010122
5443344042341442
621515000012230
72116645235652
oct341133510432
986007832440
1030223012122
11118aa114376
125a35761076
132b08648834
141669cdb362
15bbd4cb84c
hex7096e911a

30223012122 has 12 divisors (see below), whose sum is σ = 65483192970. Its totient is φ = 10074337368.

The previous prime is 30223012091. The next prime is 30223012129. The reversal of 30223012122 is 22121032203.

30223012122 is a `hidden beast` number, since 302 + 230 + 12 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29521768761 + 701243361 = 171819^2 + 26481^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1679056229 = 30223012122 / (3 + 0 + 2 + 2 + 3 + 0 + 1 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 30223012095 and 30223012104.

It is not an unprimeable number, because it can be changed into a prime (30223012129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839528097 + ... + 839528132.

Almost surely, 230223012122 is an apocalyptic number.

30223012122 is an abundant number, since it is smaller than the sum of its proper divisors (35260180848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30223012122 is a wasteful number, since it uses less digits than its factorization.

30223012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679056237 (or 1679056234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30223012122 its reverse (22121032203), we get a palindrome (52344044325).

The spelling of 30223012122 in words is "thirty billion, two hundred twenty-three million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 1679056229 3358112458 5037168687 10074337374 15111506061 30223012122