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30212320332 = 22310492400089
BaseRepresentation
bin11100001000110010…
…110110110001001100
32212222112210220010010
4130020302312301030
5443333323222312
621513534513220
72116455325365
oct341062666114
985875726103
1030212320332
11118a4081487
125a32065810
132b0637412c
141668716b6c
15bbc5b893c
hex708cb6c4c

30212320332 has 24 divisors (see below), whose sum is σ = 70562646000. Its totient is φ = 10061168896.

The previous prime is 30212320331. The next prime is 30212320351. The reversal of 30212320332 is 23302321203.

It is a junction number, because it is equal to n+sod(n) for n = 30212320299 and 30212320308.

It is not an unprimeable number, because it can be changed into a prime (30212320331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187457 + ... + 1212632.

It is an arithmetic number, because the mean of its divisors is an integer number (2940110250).

Almost surely, 230212320332 is an apocalyptic number.

It is an amenable number.

30212320332 is an abundant number, since it is smaller than the sum of its proper divisors (40350325668).

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

30212320332 is a wasteful number, since it uses less digits than its factorization.

30212320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401145 (or 2401143 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30212320332 its reverse (23302321203), we get a palindrome (53514641535).

The spelling of 30212320332 in words is "thirty billion, two hundred twelve million, three hundred twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1049 2098 3147 4196 6294 12588 2400089 4800178 7200267 9600356 14400534 28801068 2517693361 5035386722 7553080083 10070773444 15106160166 30212320332