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28027500503 is a prime number
BaseRepresentation
bin11010000110100100…
…011011011111010111
32200100021200112202012
4122012210123133113
5424400020004003
620513050334435
72011355552312
oct320644333727
980307615665
1028027500503
111098287aa62
12552242a41b
132848829132
1414dc4ab979
15ae08998d8
hex68691b7d7

28027500503 has 2 divisors, whose sum is σ = 28027500504. Its totient is φ = 28027500502.

The previous prime is 28027500467. The next prime is 28027500541. The reversal of 28027500503 is 30500572082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28027500503 - 212 = 28027496407 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28027500503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28027500583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013750251 + 14013750252.

It is an arithmetic number, because the mean of its divisors is an integer number (14013750252).

Almost surely, 228027500503 is an apocalyptic number.

28027500503 is a deficient number, since it is larger than the sum of its proper divisors (1).

28027500503 is an equidigital number, since it uses as much as digits as its factorization.

28027500503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 28027500503 in words is "twenty-eight billion, twenty-seven million, five hundred thousand, five hundred three".