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30222113112 = 23321123373777
BaseRepresentation
bin11100001001011000…
…001101100101011000
32220000020020102021200
4130021120031211120
5443343330104422
621514524434200
72116634502642
oct341130154530
986006212250
1030222113112
11118a965a994
125a353a8960
132b083c2589
141669b45892
15bbd3a02ac
hex70960d958

30222113112 has 48 divisors (see below), whose sum is σ = 81924662040. Its totient is φ = 10065040128.

The previous prime is 30222113111. The next prime is 30222113149. The reversal of 30222113112 is 21131122203.

30222113112 is a `hidden beast` number, since 302 + 221 + 131 + 12 = 666.

It is a super-2 number, since 2×302221131122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222113111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106033 + ... + 267744.

Almost surely, 230222113112 is an apocalyptic number.

It is an amenable number.

30222113112 is an abundant number, since it is smaller than the sum of its proper divisors (51702548928).

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

30222113112 is a wasteful number, since it uses less digits than its factorization.

30222113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374912 (or 374905 counting only the distinct ones).

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

Adding to 30222113112 its reverse (21131122203), we get a palindrome (51353235315).

Subtracting from 30222113112 its reverse (21131122203), we obtain a palindrome (9090990909).

The spelling of 30222113112 in words is "thirty billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1123 2246 3369 4492 6738 8984 10107 13476 20214 26952 40428 80856 373777 747554 1121331 1495108 2242662 2990216 3363993 4485324 6727986 8970648 13455972 26911944 419751571 839503142 1259254713 1679006284 2518509426 3358012568 3777764139 5037018852 7555528278 10074037704 15111056556 30222113112