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30003330330320 = 245375041629129
BaseRepresentation
bin1101101001001101100011…
…10110001010111011010000
310221020021211200022001211112
412310212301312022323100
512413033310031032240
6143451201211432452
76214445331624104
oct664466166127320
9127207750261745
1030003330330320
119618382871566
123446a1a755728
1313983c03b09c9
1475a2517bd904
153706c736d665
hex1b49b1d8aed0

30003330330320 has 20 divisors (see below), whose sum is σ = 69757743018180. Its totient is φ = 12001332132096.

The previous prime is 30003330330293. The next prime is 30003330330331. The reversal of 30003330330320 is 2303303330003.

It can be written as a sum of positive squares in 2 ways, for example, as 6078749422144 + 23924580908176 = 2465512^2 + 4891276^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×300033303303202 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 187520814485 + ... + 187520814644.

It is an arithmetic number, because the mean of its divisors is an integer number (3487887150909).

Almost surely, 230003330330320 is an apocalyptic number.

It is an amenable number.

30003330330320 is an abundant number, since it is smaller than the sum of its proper divisors (39754412687860).

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

30003330330320 is a wasteful number, since it uses less digits than its factorization.

30003330330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375041629142 (or 375041629136 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 23.

Adding to 30003330330320 its reverse (2303303330003), we get a palindrome (32306633660323).

The spelling of 30003330330320 in words is "thirty trillion, three billion, three hundred thirty million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 375041629129 750083258258 1500166516516 1875208145645 3000333033032 3750416291290 6000666066064 7500832582580 15001665165160 30003330330320