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30212121303000 = 23325371337997001
BaseRepresentation
bin1101101111010010011101…
…10000100001011111011000
310221222020202200100102202200
412313221032300201133120
512424443411023144000
6144131131254530200
76235516346616060
oct667511660413730
9127866680312680
1030212121303000
11969898593563a
12347b38a366960
1313b1cb5a84c60
147663bb2243a0
15375d47480500
hex1b7a4ec217d8

30212121303000 has 768 divisors, whose sum is σ = 129079376375040. Its totient is φ = 6202137600000.

The previous prime is 30212121302989. The next prime is 30212121303011. The reversal of 30212121303000 is 30312121203.

30212121303000 is a `hidden beast` number, since 3 + 0 + 21 + 212 + 130 + 300 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30212121302989) and next prime (30212121303011).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 29804500 + ... + 30801500.

It is an arithmetic number, because the mean of its divisors is an integer number (168072104655).

Almost surely, 230212121303000 is an apocalyptic number.

30212121303000 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 30212121303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64539688187520).

30212121303000 is an abundant number, since it is smaller than the sum of its proper divisors (98867255072040).

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

30212121303000 is a wasteful number, since it uses less digits than its factorization.

30212121303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997085 (or 997068 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30212121303000 its reverse (30312121203), we get a palindrome (30242433424203).

The spelling of 30212121303000 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-one million, three hundred three thousand".