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30332220012 = 2234175506939
BaseRepresentation
bin11100001111111100…
…001111001001101100
32220021220102102120000
4130033330033021230
5444110022020022
621533500424300
72122442421213
oct341774171154
986256372500
1030332220012
1111955824926
125a66248090
132b251644a3
14167a60807a
15bc7d9e6ac
hex70ff0f26c

30332220012 has 60 divisors (see below), whose sum is σ = 83958807240. Its totient is φ = 9515988864.

The previous prime is 30332220011. The next prime is 30332220031. The reversal of 30332220012 is 21002223303.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30332220011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2747962 + ... + 2758977.

It is an arithmetic number, because the mean of its divisors is an integer number (1399313454).

Almost surely, 230332220012 is an apocalyptic number.

It is an amenable number.

30332220012 is an abundant number, since it is smaller than the sum of its proper divisors (53626587228).

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

30332220012 is a wasteful number, since it uses less digits than its factorization.

30332220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506972 (or 5506961 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30332220012 its reverse (21002223303), we get a palindrome (51334443315).

The spelling of 30332220012 in words is "thirty billion, three hundred thirty-two million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 81 102 108 153 162 204 306 324 459 612 918 1377 1836 2754 5508 5506939 11013878 16520817 22027756 33041634 49562451 66083268 93617963 99124902 148687353 187235926 198249804 280853889 297374706 374471852 446062059 561707778 594749412 842561667 892124118 1123415556 1685123334 1784248236 2527685001 3370246668 5055370002 7583055003 10110740004 15166110006 30332220012