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30222021000 = 2335324414127
BaseRepresentation
bin11100001001010111…
…110111000110001000
32220000020001201221010
4130021113313012020
5443343314133000
621514522443520
72116633640253
oct341127670610
986006051833
1030222021000
11118a95a7766
125a353635a0
132b0838c682
141669b2009a
15bbd382d50
hex7095f7188

30222021000 has 128 divisors (see below), whose sum is σ = 94354191360. Its totient is φ = 8053952000.

The previous prime is 30222020989. The next prime is 30222021017. The reversal of 30222021000 is 12022203.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 7320937 + ... + 7325063.

It is an arithmetic number, because the mean of its divisors is an integer number (737142120).

Almost surely, 230222021000 is an apocalyptic number.

30222021000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30222021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47177095680).

30222021000 is an abundant number, since it is smaller than the sum of its proper divisors (64132170360).

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

30222021000 is a wasteful number, since it uses less digits than its factorization.

30222021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30222021000 its reverse (12022203), we get a palindrome (30234043203).

The spelling of 30222021000 in words is "thirty billion, two hundred twenty-two million, twenty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 2441 3000 4127 4882 7323 8254 9764 12205 12381 14646 16508 19528 20635 24410 24762 29292 33016 36615 41270 48820 49524 58584 61025 61905 73230 82540 97640 99048 103175 122050 123810 146460 165080 183075 206350 244100 247620 292920 305125 309525 366150 412700 488200 495240 515875 610250 619050 732300 825400 915375 1031750 1220500 1238100 1464600 1547625 1830750 2063500 2441000 2476200 3095250 3661500 4127000 6190500 7323000 10074007 12381000 20148014 30222021 40296028 50370035 60444042 80592056 100740070 120888084 151110105 201480140 241776168 251850175 302220210 402960280 503700350 604440420 755550525 1007400700 1208880840 1259250875 1511101050 2014801400 2518501750 3022202100 3777752625 5037003500 6044404200 7555505250 10074007000 15111010500 30222021000