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30020122000 = 2453114729033
BaseRepresentation
bin11011111101010101…
…101011010110010000
32212111011011012120101
4123331111223112100
5442440122401000
621442511222144
72111632553401
oct337525532620
985434135511
1030020122000
1111805637a90
125999817954
132aa55bbbcb
14164ada59a8
15baa7a0e6a
hex6fd56b590

30020122000 has 160 divisors (see below), whose sum is σ = 80875252224. Its totient is φ = 10683776000.

The previous prime is 30020121997. The next prime is 30020122001. The reversal of 30020122000 is 22102003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30020122001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1019484 + ... + 1048516.

Almost surely, 230020122000 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 30020122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40437626112).

30020122000 is an abundant number, since it is smaller than the sum of its proper divisors (50855130224).

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

30020122000 is a wasteful number, since it uses less digits than its factorization.

30020122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29114 (or 29098 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 30020122000 its reverse (22102003), we get a palindrome (30042224003).

The spelling of 30020122000 in words is "thirty billion, twenty million, one hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 47 50 55 80 88 94 100 110 125 176 188 200 220 235 250 275 376 400 440 470 500 517 550 752 880 940 1000 1034 1100 1175 1375 1880 2000 2068 2200 2350 2585 2750 3760 4136 4400 4700 5170 5500 5875 8272 9400 10340 11000 11750 12925 18800 20680 22000 23500 25850 29033 41360 47000 51700 58066 64625 94000 103400 116132 129250 145165 206800 232264 258500 290330 319363 464528 517000 580660 638726 725825 1034000 1161320 1277452 1364551 1451650 1596815 2322640 2554904 2729102 2903300 3193630 3629125 5109808 5458204 5806600 6387260 6822755 7258250 7984075 10916408 11613200 12774520 13645510 14516500 15010061 15968150 21832816 25549040 27291020 29033000 30020122 31936300 34113775 39920375 54582040 58066000 60040244 63872600 68227550 75050305 79840750 109164080 120080488 127745200 136455100 150100610 159681500 170568875 240160976 272910200 300201220 319363000 341137750 375251525 545820400 600402440 638726000 682275500 750503050 1200804880 1364551000 1501006100 1876257625 2729102000 3002012200 3752515250 6004024400 7505030500 15010061000 30020122000