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30100215200 = 25521113724967
BaseRepresentation
bin11100000010000111…
…001101010110100000
32212200201212100210012
4130002013031112200
5443121123341300
621454452024052
72113624415306
oct340207152640
985621770705
1030100215200
1111846872210
125a00602028
132ab9082833
141657894276
15bb2822435
hex7021cd5a0

30100215200 has 144 divisors (see below), whose sum is σ = 80750706624. Its totient is φ = 10865203200.

The previous prime is 30100215191. The next prime is 30100215227. The reversal of 30100215200 is 251200103.

It is a happy number.

It is a super-2 number, since 2×301002152002 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1193117 + ... + 1218083.

It is an arithmetic number, because the mean of its divisors is an integer number (560768796).

Almost surely, 230100215200 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 30100215200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40375353312).

30100215200 is an abundant number, since it is smaller than the sum of its proper divisors (50650491424).

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

30100215200 is a wasteful number, since it uses less digits than its factorization.

30100215200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25135 (or 25122 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 30100215200 its reverse (251200103), we get a palindrome (30351415303).

The spelling of 30100215200 in words is "thirty billion, one hundred million, two hundred fifteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 137 160 176 200 220 274 275 352 400 440 548 550 685 800 880 1096 1100 1370 1507 1760 2192 2200 2740 3014 3425 4384 4400 5480 6028 6850 7535 8800 10960 12056 13700 15070 21920 24112 24967 27400 30140 37675 48224 49934 54800 60280 75350 99868 109600 120560 124835 150700 199736 241120 249670 274637 301400 399472 499340 549274 602800 624175 798944 998680 1098548 1205600 1248350 1373185 1997360 2197096 2496700 2746370 3420479 3994720 4394192 4993400 5492740 6840958 6865925 8788384 9986800 10985480 13681916 13731850 17102395 19973600 21970960 27363832 27463700 34204790 37625269 43941920 54727664 54927400 68409580 75250538 85511975 109455328 109854800 136819160 150501076 171023950 188126345 219709600 273638320 301002152 342047900 376252690 547276640 602004304 684095800 752505380 940631725 1204008608 1368191600 1505010760 1881263450 2736383200 3010021520 3762526900 6020043040 7525053800 15050107600 30100215200