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30332211312 = 243134173109149
BaseRepresentation
bin11100001111111100…
…001101000001110000
32220021220101222121210
4130033330031001300
5444110021230222
621533500320120
72122442353644
oct341774150160
986256358553
1030332211312
1111955819337
125a66243040
132b25160540
14167a604c24
15bc7d9bd0c
hex70ff0d070

30332211312 has 320 divisors, whose sum is σ = 89025552000. Its totient is φ = 8838512640.

The previous prime is 30332211311. The next prime is 30332211317. The reversal of 30332211312 is 21311223303.

It is a super-2 number, since 2×303322113122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30332211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203571814 + ... + 203571962.

It is an arithmetic number, because the mean of its divisors is an integer number (278204850).

Almost surely, 230332211312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30332211312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44512776000).

30332211312 is an abundant number, since it is smaller than the sum of its proper divisors (58693340688).

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

30332211312 is a wasteful number, since it uses less digits than its factorization.

30332211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30332211312 its reverse (21311223303), we get a palindrome (51643434615).

The spelling of 30332211312 in words is "thirty billion, three hundred thirty-two million, two hundred eleven thousand, three hundred twelve".