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28573014497 is a prime number
BaseRepresentation
bin11010100111000101…
…011001100111100001
32201202022011112021012
4122213011121213201
5432004142430442
621043134510305
72031031421156
oct324705314741
981668145235
1028573014497
11111327a3775
125655065395
132904858791
141550b1022d
15b23703582
hex6a71599e1

28573014497 has 2 divisors, whose sum is σ = 28573014498. Its totient is φ = 28573014496.

The previous prime is 28573014443. The next prime is 28573014499. The reversal of 28573014497 is 79441037582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22357426576 + 6215587921 = 149524^2 + 78839^2 .

It is a cyclic number.

It is not a de Polignac number, because 28573014497 - 218 = 28572752353 is a prime.

Together with 28573014499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28573014499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286507248 + 14286507249.

It is an arithmetic number, because the mean of its divisors is an integer number (14286507249).

Almost surely, 228573014497 is an apocalyptic number.

It is an amenable number.

28573014497 is a deficient number, since it is larger than the sum of its proper divisors (1).

28573014497 is an equidigital number, since it uses as much as digits as its factorization.

28573014497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 28573014497 in words is "twenty-eight billion, five hundred seventy-three million, fourteen thousand, four hundred ninety-seven".