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30042421112 = 2311231035559
BaseRepresentation
bin11011111110101010…
…101111011101111000
32212112201010010012102
4123332222233131320
5443011324433422
621445025202532
72112323236364
oct337652573570
985481103172
1030042421112
1111817188700
1259a5190448
132aaa0c8952
14164dd2c2a4
15bac708192
hex6feaaf778

30042421112 has 24 divisors (see below), whose sum is σ = 61915942200. Its totient is φ = 13655645520.

The previous prime is 30042421111. The next prime is 30042421117. The reversal of 30042421112 is 21112424003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042421111) 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, 15516812 + ... + 15518747.

It is an arithmetic number, because the mean of its divisors is an integer number (2579830925).

Almost surely, 230042421112 is an apocalyptic number.

It is an amenable number.

30042421112 is an abundant number, since it is smaller than the sum of its proper divisors (31873521088).

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

30042421112 is a wasteful number, since it uses less digits than its factorization.

30042421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31035587 (or 31035572 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30042421112 its reverse (21112424003), we get a palindrome (51154845115).

It can be divided in two parts, 30042 and 421112, that added together give a palindrome (451154).

The spelling of 30042421112 in words is "thirty billion, forty-two million, four hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 31035559 62071118 124142236 248284472 341391149 682782298 1365564596 2731129192 3755302639 7510605278 15021210556 30042421112