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505280000303 = 132171549113539
BaseRepresentation
bin1110101101001010000…
…10001111000100101111
31210022012211110112000022
413112211002033010233
531234303140002203
61024042235552355
751335211065261
oct7264502170457
91708184415008
10505280000303
11185319429911
1281b152bb6bb
1338855cc4200
141a65456db31
15d224447a38
hex75a508f12f

505280000303 has 24 divisors (see below), whose sum is σ = 579701178000. Its totient is φ = 438689032704.

The previous prime is 505280000299. The next prime is 505280000347. The reversal of 505280000303 is 303000082505.

It is not a de Polignac number, because 505280000303 - 22 = 505280000299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505280000363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4393508 + ... + 4507046.

It is an arithmetic number, because the mean of its divisors is an integer number (24154215750).

Almost surely, 2505280000303 is an apocalyptic number.

505280000303 is a deficient number, since it is larger than the sum of its proper divisors (74421177697).

505280000303 is a wasteful number, since it uses less digits than its factorization.

505280000303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115131 (or 115118 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 505280000303 its reverse (303000082505), we get a palindrome (808280082808).

The spelling of 505280000303 in words is "five hundred five billion, two hundred eighty million, three hundred three", and thus it is an aban number.

Divisors: 1 13 17 169 221 1549 2873 20137 26333 113539 261781 342329 1476007 1930163 4450277 19188091 25092119 175871911 326197547 2286334843 2989822487 29722352959 38867692331 505280000303