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30031011220000 = 255472231332343
BaseRepresentation
bin1101101010000001000111…
…10000011000101000100000
310221022221021210202221220211
412311000203300120220200
512414012002333020000
6143512020041143504
76216445311406300
oct665004360305040
9127287253687824
1030031011220000
119629097a2169a
123450264a8ab94
13139abb216c47b
1475b719c23600
1537129759d7ba
hex1b5023c18a20

30031011220000 has 360 divisors, whose sum is σ = 89679680266176. Its totient is φ = 9848672064000.

The previous prime is 30031011219983. The next prime is 30031011220009. The reversal of 30031011220000 is 2211013003.

It is not an unprimeable number, because it can be changed into a prime (30031011220009) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 21873829 + ... + 23206171.

Almost surely, 230031011220000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30031011220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44839840133088).

30031011220000 is an abundant number, since it is smaller than the sum of its proper divisors (59648669046176).

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

30031011220000 is a wasteful number, since it uses less digits than its factorization.

30031011220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332410 (or 1332380 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30031011220000 its reverse (2211013003), we get a palindrome (30033222233003).

The spelling of 30031011220000 in words is "thirty trillion, thirty-one billion, eleven million, two hundred twenty thousand".