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30021031212200 = 2352721443593723
BaseRepresentation
bin1101101001101110100001…
…11001101011010010101000
310221021222112021122000221022
412310313100321223102220
512413331032442242300
6143503245451032012
76215643065631530
oct664672071532250
9127258467560838
1030021031212200
119624936522066
12344a33a73b608
131399c81661a02
1475b0505c64c0
15370db133e285
hex1b4dd0e6b4a8

30021031212200 has 48 divisors (see below), whose sum is σ = 79770168653280. Its totient is φ = 10292924986560.

The previous prime is 30021031212197. The next prime is 30021031212233. The reversal of 30021031212200 is 221213012003.

30021031212200 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 10721795462 + ... + 10721798261.

It is an arithmetic number, because the mean of its divisors is an integer number (1661878513610).

Almost surely, 230021031212200 is an apocalyptic number.

It is an amenable number.

30021031212200 is an abundant number, since it is smaller than the sum of its proper divisors (49749137441080).

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

30021031212200 is a wasteful number, since it uses less digits than its factorization.

30021031212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443593746 (or 21443593737 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30021031212200 its reverse (221213012003), we get a palindrome (30242244224203).

The spelling of 30021031212200 in words is "thirty trillion, twenty-one billion, thirty-one million, two hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 21443593723 42887187446 85774374892 107217968615 150105156061 171548749784 214435937230 300210312122 428871874460 536089843075 600420624244 750525780305 857743748920 1072179686150 1200841248488 1501051560610 2144359372300 3002103121220 3752628901525 4288718744600 6004206242440 7505257803050 15010515606100 30021031212200