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28838892097 is a prime number
BaseRepresentation
bin11010110110111011…
…101001001001000001
32202102211110111202201
4122312323221021001
5433030224021342
621125353313201
72040440352421
oct326673511101
982384414681
1028838892097
1111259891524
12570a105801
13294796a0c2
141578160481
15b3bc21db7
hex6b6ee9241

28838892097 has 2 divisors, whose sum is σ = 28838892098. Its totient is φ = 28838892096.

The previous prime is 28838892083. The next prime is 28838892101. The reversal of 28838892097 is 79029883882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23153882896 + 5685009201 = 152164^2 + 75399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28838892097 is a prime.

It is not a weakly prime, because it can be changed into another prime (28838892007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14419446048 + 14419446049.

It is an arithmetic number, because the mean of its divisors is an integer number (14419446049).

Almost surely, 228838892097 is an apocalyptic number.

It is an amenable number.

28838892097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28838892097 is an equidigital number, since it uses as much as digits as its factorization.

28838892097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 28838892097 in words is "twenty-eight billion, eight hundred thirty-eight million, eight hundred ninety-two thousand, ninety-seven".