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28751315683 is a prime number
BaseRepresentation
bin11010110001101101…
…100100001011100011
32202012201200011111211
4122301231210023203
5432340314100213
621112544250551
72035325102536
oct326155441343
982181604454
1028751315683
1111214406022
1256a4910a57
13293278633c
14156a684a1d
15b341c353d
hex6b1b642e3

28751315683 has 2 divisors, whose sum is σ = 28751315684. Its totient is φ = 28751315682.

The previous prime is 28751315629. The next prime is 28751315731. The reversal of 28751315683 is 38651315782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28751315683 - 213 = 28751307491 is a prime.

It is not a weakly prime, because it can be changed into another prime (28751315083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14375657841 + 14375657842.

It is an arithmetic number, because the mean of its divisors is an integer number (14375657842).

Almost surely, 228751315683 is an apocalyptic number.

28751315683 is a deficient number, since it is larger than the sum of its proper divisors (1).

28751315683 is an equidigital number, since it uses as much as digits as its factorization.

28751315683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

Subtracting 28751315683 from its reverse (38651315782), we obtain a palindrome (9900000099).

The spelling of 28751315683 in words is "twenty-eight billion, seven hundred fifty-one million, three hundred fifteen thousand, six hundred eighty-three".