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30055132402500 = 22354437310491217
BaseRepresentation
bin1101101010101110000010…
…11111011001001101000100
310221102020112212000222202110
412311113001133121031010
512414410402343340000
6143531045345541020
76221261125154442
oct665270137311504
9127366485028673
1030055132402500
119638345784067
123454a77044770
1313a02575b7a1a
1475c9675a5b92
15371c0a02a850
hex1b55c17d9344

30055132402500 has 480 divisors, whose sum is σ = 91060503811200. Its totient is φ = 7707377664000.

The previous prime is 30055132402499. The next prime is 30055132402619. The reversal of 30055132402500 is 520423155003.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 24696081892 + ... + 24696083108.

It is an arithmetic number, because the mean of its divisors is an integer number (189709382940).

Almost surely, 230055132402500 is an apocalyptic number.

30055132402500 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 30055132402500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45530251905600).

30055132402500 is an abundant number, since it is smaller than the sum of its proper divisors (61005371408700).

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

30055132402500 is a wasteful number, since it uses less digits than its factorization.

30055132402500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 30055132402500 its reverse (520423155003), we get a palindrome (30575555557503).

The spelling of 30055132402500 in words is "thirty trillion, fifty-five billion, one hundred thirty-two million, four hundred two thousand, five hundred".