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30111022020000 = 253545878391019
BaseRepresentation
bin1101101100010110001001…
…10001010111010110100000
310221121120210220012201201210
412312023010301113112200
512421314333114120000
6144012451302230120
76225310124111625
oct666130461272640
9127546726181653
1030111022020000
11965a015a34999
123463874425340
1313a55c35b5ccc
1476154a1b034c
153733cb9a2350
hex1b62c4c575a0

30111022020000 has 480 divisors, whose sum is σ = 99153570700800. Its totient is φ = 7998515584000.

The previous prime is 30111022019993. The next prime is 30111022020011. The reversal of 30111022020000 is 2022011103.

It is a tau number, because it is divible by the number of its divisors (480).

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, 29549579491 + ... + 29549580509.

It is an arithmetic number, because the mean of its divisors is an integer number (206569938960).

Almost surely, 230111022020000 is an apocalyptic number.

30111022020000 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 30111022020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49576785350400).

30111022020000 is an abundant number, since it is smaller than the sum of its proper divisors (69042548680800).

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

30111022020000 is a wasteful number, since it uses less digits than its factorization.

30111022020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30111022020000 its reverse (2022011103), we get a palindrome (30113044031103).

The spelling of 30111022020000 in words is "thirty trillion, one hundred eleven billion, twenty-two million, twenty thousand".