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28486538471 is a prime number
BaseRepresentation
bin11010100001111011…
…100001010011100111
32201112021110002110102
4122201323201103213
5431320023212341
621030405214315
72025631403366
oct324173412347
981467402412
1028486538471
11110989a9a86
12563010139b
1328bc96b831
14154343d7dd
15b1ad20c9b
hex6a1ee14e7

28486538471 has 2 divisors, whose sum is σ = 28486538472. Its totient is φ = 28486538470.

The previous prime is 28486538449. The next prime is 28486538501. The reversal of 28486538471 is 17483568482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28486538471 - 26 = 28486538407 is a prime.

It is a super-3 number, since 3×284865384713 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28486538411) 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 as a sum of consecutive naturals, namely, 14243269235 + 14243269236.

It is an arithmetic number, because the mean of its divisors is an integer number (14243269236).

Almost surely, 228486538471 is an apocalyptic number.

28486538471 is a deficient number, since it is larger than the sum of its proper divisors (1).

28486538471 is an equidigital number, since it uses as much as digits as its factorization.

28486538471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10321920, while the sum is 56.

The spelling of 28486538471 in words is "twenty-eight billion, four hundred eighty-six million, five hundred thirty-eight thousand, four hundred seventy-one".