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12385586875 = 544728971
BaseRepresentation
bin10111000100011110…
…10000111010111011
31011222011200000002211
423202033100322323
5200331202240000
65405002035551
7615632515504
oct134217207273
934864600084
1012385586875
115286382812
122497aa8bb7
131224cca93c
14856d0dbab
154c75387ba
hex2e23d0ebb

12385586875 has 30 divisors (see below), whose sum is σ = 15815096924. Its totient is φ = 9696570000.

The previous prime is 12385586789. The next prime is 12385586879. The reversal of 12385586875 is 57868558321.

It is not a de Polignac number, because 12385586875 - 27 = 12385586747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12385586879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1376140 + ... + 1385110.

Almost surely, 212385586875 is an apocalyptic number.

12385586875 is a deficient number, since it is larger than the sum of its proper divisors (3429510049).

12385586875 is an frugal number, since it uses more digits than its factorization.

12385586875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085 (or 9023 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 58.

The spelling of 12385586875 in words is "twelve billion, three hundred eighty-five million, five hundred eighty-six thousand, eight hundred seventy-five".

Divisors: 1 5 25 47 125 235 625 1175 2209 5875 8971 11045 29375 44855 55225 224275 276125 421637 1121375 1380625 2108185 5606875 10540925 19816939 52704625 99084695 263523125 495423475 2477117375 12385586875