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30212203030020 = 223251194311617929
BaseRepresentation
bin1101101111010010100111…
…01000010010011000000100
310221222020222101010121011100
412313221103220102120010
512424444042433430040
6144131143334340100
76235521361364214
oct667512350223004
9127866871117140
1030212203030020
119698a17a86330
12347b3b17ba630
1313b1cc999b43b
147663c801a244
15375d4e725b30
hex1b7a53a12604

30212203030020 has 144 divisors (see below), whose sum is σ = 99985588859520. Its totient is φ = 7323389299200.

The previous prime is 30212203030003. The next prime is 30212203030039. The reversal of 30212203030020 is 2003030221203.

It is a happy number.

30212203030020 is a `hidden beast` number, since 302 + 12 + 2 + 0 + 30 + 300 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30212203029975 and 30212203030002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17864416 + ... + 19482344.

It is an arithmetic number, because the mean of its divisors is an integer number (694344367080).

Almost surely, 230212203030020 is an apocalyptic number.

30212203030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212203030020 is an abundant number, since it is smaller than the sum of its proper divisors (69773385829500).

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

30212203030020 is a wasteful number, since it uses less digits than its factorization.

30212203030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627386 (or 1627381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30212203030020 its reverse (2003030221203), we get a palindrome (32215233251223).

The spelling of 30212203030020 in words is "thirty trillion, two hundred twelve billion, two hundred three million, thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 9431 18862 28293 37724 47155 56586 84879 94310 103741 113172 141465 169758 188620 207482 282930 311223 339516 414964 424395 518705 565860 622446 848790 933669 1037410 1244892 1556115 1617929 1697580 1867338 2074820 3112230 3235858 3734676 4668345 4853787 6224460 6471716 8089645 9336690 9707574 14561361 16179290 17797219 18673380 19415148 24268935 29122722 32358580 35594438 48537870 53391657 58245444 71188876 72806805 88986095 97075740 106783314 145613610 160174971 177972190 213566628 266958285 291227220 320349942 355944380 533916570 640699884 800874855 1067833140 1601749710 3203499420 15258688399 30517376798 45776065197 61034753596 76293441995 91552130394 137328195591 152586883990 167845572389 183104260788 228880325985 274656391182 305173767980 335691144778 457760651970 503536717167 549312782364 671382289556 686640977955 839227861945 915521303940 1007073434334 1373281955910 1510610151501 1678455723890 2014146868668 2517683585835 2746563911820 3021220303002 3356911447780 5035367171670 6042440606004 7553050757505 10070734343340 15106101515010 30212203030020