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30221233332 = 223194110132009
BaseRepresentation
bin11100001001010100…
…110110110010110100
32220000011120201110020
4130021110312302310
5443343113431312
621514453525140
72116624146663
oct341124666264
986004521406
1030221233332
11118a91099a4
125a350437b0
132b08174cb4
141669996dda
15bbd27978c
hex709536cb4

30221233332 has 96 divisors (see below), whose sum is σ = 76793270400. Its totient is φ = 9218304000.

The previous prime is 30221233321. The next prime is 30221233363. The reversal of 30221233332 is 23333212203.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 928144 + ... + 960152.

It is an arithmetic number, because the mean of its divisors is an integer number (799929900).

Almost surely, 230221233332 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 30221233332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38396635200).

30221233332 is an abundant number, since it is smaller than the sum of its proper divisors (46572037068).

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

30221233332 is a wasteful number, since it uses less digits than its factorization.

30221233332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32177 (or 32175 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 30221233332 its reverse (23333212203), we get a palindrome (53554445535).

The spelling of 30221233332 in words is "thirty billion, two hundred twenty-one million, two hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 41 57 76 82 101 114 123 164 202 228 246 303 404 492 606 779 1212 1558 1919 2337 3116 3838 4141 4674 5757 7676 8282 9348 11514 12423 16564 23028 24846 32009 49692 64018 78679 96027 128036 157358 192054 236037 314716 384108 472074 608171 944148 1216342 1312369 1824513 2432684 2624738 3232909 3649026 3937107 5249476 6465818 7298052 7874214 9698727 12931636 15748428 19397454 24935011 38794908 49870022 61425271 74805033 99740044 122850542 132549269 149610066 184275813 245701084 265098538 299220132 368551626 397647807 530197076 737103252 795295614 1590591228 2518436111 5036872222 7555308333 10073744444 15110616666 30221233332