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30021300030000 = 243544183294067
BaseRepresentation
bin1101101001101111000001…
…11011001000101000110000
310221022000020000110101122010
412310313200323020220300
512413332110301430000
6143503332252442520
76215652541560066
oct664674073105060
9127260200411563
1030021300030000
119624a64238934
12344a3b4779440
131399cc52626b6
1475b0781a0036
15370dc9c3dd50
hex1b4de0ec8a30

30021300030000 has 400 divisors, whose sum is σ = 100472929070976. Its totient is φ = 7716291840000.

The previous prime is 30021300029933. The next prime is 30021300030067. The reversal of 30021300030000 is 3000312003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30021300029933) and next prime (30021300030067).

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 101942967 + ... + 102237033.

Almost surely, 230021300030000 is an apocalyptic number.

30021300030000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30021300030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50236464535488).

30021300030000 is an abundant number, since it is smaller than the sum of its proper divisors (70451629040976).

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

30021300030000 is a wasteful number, since it uses less digits than its factorization.

30021300030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294222 (or 294201 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30021300030000 its reverse (3000312003), we get a palindrome (30024300342003).

The spelling of 30021300030000 in words is "thirty trillion, twenty-one billion, three hundred million, thirty thousand".