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28850799815507 is a prime number
BaseRepresentation
bin1101000111101010110011…
…01011001010101101010011
310210011002221211210122202002
412203311121223022231103
512240142414223044012
6141205512514544215
76035254500113435
oct643653153125523
9123132854718662
1028850799815507
1192136123a226a
12329b58a59806b
131313807511197
1471a5598b0655
1535071ecc07c2
hex1a3d59acab53

28850799815507 has 2 divisors, whose sum is σ = 28850799815508. Its totient is φ = 28850799815506.

The previous prime is 28850799815417. The next prime is 28850799815531. The reversal of 28850799815507 is 70551899705882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28850799815507 - 216 = 28850799749971 is a prime.

It is not a weakly prime, because it can be changed into another prime (28850799815407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425399907753 + 14425399907754.

It is an arithmetic number, because the mean of its divisors is an integer number (14425399907754).

Almost surely, 228850799815507 is an apocalyptic number.

28850799815507 is a deficient number, since it is larger than the sum of its proper divisors (1).

28850799815507 is an equidigital number, since it uses as much as digits as its factorization.

28850799815507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032000, while the sum is 74.

The spelling of 28850799815507 in words is "twenty-eight trillion, eight hundred fifty billion, seven hundred ninety-nine million, eight hundred fifteen thousand, five hundred seven".