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30212203300020 = 22325723977939127
BaseRepresentation
bin1101101111010010100111…
…01001010100010010110100
310221222020222101122022112100
412313221103221110102310
512424444043021100040
6144131143344222100
76235521363600330
oct667512351242264
9127866871568470
1030212203300020
119698a18150175
12347b3b190a930
1313b1cc9a642c1
147663c808a7c0
15375d4e77ab30
hex1b7a53a544b4

30212203300020 has 72 divisors (see below), whose sum is σ = 104735638111104. Its totient is φ = 6905646468288.

The previous prime is 30212203299989. The next prime is 30212203300039. The reversal of 30212203300020 is 2000330221203.

It is a happy number.

30212203300020 is a `hidden beast` number, since 302 + 12 + 2 + 0 + 330 + 0 + 0 + 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 = 30212203299966 and 30212203300002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11988968304 + ... + 11988970823.

It is an arithmetic number, because the mean of its divisors is an integer number (1454661640432).

Almost surely, 230212203300020 is an apocalyptic number.

30212203300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212203300020 is an abundant number, since it is smaller than the sum of its proper divisors (74523434811084).

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

30212203300020 is a wasteful number, since it uses less digits than its factorization.

30212203300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23977939149 (or 23977939144 counting only the distinct ones).

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

Adding to 30212203300020 its reverse (2000330221203), we get a palindrome (32212533521223).

The spelling of 30212203300020 in words is "thirty trillion, two hundred twelve billion, two hundred three million, three hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 23977939127 47955878254 71933817381 95911756508 119889695635 143867634762 167845573889 215801452143 239779391270 287735269524 335691147778 359669086905 431602904286 479558782540 503536721667 671382295556 719338173810 839227869445 863205808572 1007073443334 1079007260715 1438676347620 1510610165001 1678455738890 2014146886668 2158014521430 2517683608335 3021220330002 3356911477780 4316029042860 5035367216670 6042440660004 7553050825005 10070734433340 15106101650010 30212203300020