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30203121213200 = 24521313144338111
BaseRepresentation
bin1101101111000001101100…
…10011111001111100010000
310221221101112110002111120102
412313200312103321330100
512424321443012310300
6144123042231431532
76235050333252155
oct667406623717420
9127841473074512
1030203121213200
1196950875929a1
1234796982255a8
1313b11b02a2b30
14765ba5bc822c
153759bc2870d5
hex1b78364f9f10

30203121213200 has 120 divisors (see below), whose sum is σ = 78741294567936. Its totient is φ = 11066792256000.

The previous prime is 30203121213179. The next prime is 30203121213227. The reversal of 30203121213200 is 231212130203.

30203121213200 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 21487856 + ... + 22850255.

Almost surely, 230203121213200 is an apocalyptic number.

It is an amenable number.

30203121213200 is an abundant number, since it is smaller than the sum of its proper divisors (48538173354736).

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

30203121213200 is a wasteful number, since it uses less digits than its factorization.

30203121213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44338273 (or 44338262 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30203121213200 its reverse (231212130203), we get a palindrome (30434333343403).

The spelling of 30203121213200 in words is "thirty trillion, two hundred three billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 131 200 208 260 262 325 400 520 524 650 655 1040 1048 1300 1310 1703 2096 2600 2620 3275 3406 5200 5240 6550 6812 8515 10480 13100 13624 17030 26200 27248 34060 42575 52400 68120 85150 136240 170300 340600 681200 44338111 88676222 177352444 221690555 354704888 443381110 576395443 709409776 886762220 1108452775 1152790886 1773524440 2216905550 2305581772 2881977215 3547048880 4433811100 4611163544 5763954430 5808292541 8867622200 9222327088 11527908860 11616585082 14409886075 17735244400 23055817720 23233170164 28819772150 29041462705 46111635440 46466340328 57639544300 58082925410 75507803033 92932680656 115279088600 116165850820 145207313525 151015606066 230558177200 232331701640 290414627050 302031212132 377539015165 464663403280 580829254100 604062424264 755078030330 1161658508200 1208124848528 1510156060660 1887695075825 2323317016400 3020312121320 3775390151650 6040624242640 7550780303300 15101560606600 30203121213200