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30102320220000 = 253547229312979
BaseRepresentation
bin1101101100000101111100…
…00110101000011101100000
310221120202100110020111012220
412312002332012220131200
512421144022434020000
6144004452012351040
76224551362042420
oct666027606503540
9127522313214186
1030102320220000
11965635aaa8846
123462046175480
1313a4837853422
14760d62620480
1537306ca7b1a0
hex1b60be1a8760

30102320220000 has 480 divisors, whose sum is σ = 113340724358400. Its totient is φ = 6850462464000.

The previous prime is 30102320219999. The next prime is 30102320220023. The reversal of 30102320220000 is 2202320103.

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

It is a super-2 number, since 2×301023202200002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 96023511 + ... + 96336489.

It is an arithmetic number, because the mean of its divisors is an integer number (236126509080).

Almost surely, 230102320220000 is an apocalyptic number.

30102320220000 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 30102320220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56670362179200).

30102320220000 is an abundant number, since it is smaller than the sum of its proper divisors (83238404138400).

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

30102320220000 is a wasteful number, since it uses less digits than its factorization.

30102320220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313248 (or 313225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30102320220000 its reverse (2202320103), we get a palindrome (30104522540103).

The spelling of 30102320220000 in words is "thirty trillion, one hundred two billion, three hundred twenty million, two hundred twenty thousand".