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28850041481 is a prime number
BaseRepresentation
bin11010110111100110…
…001011001010001001
32202110121102221211212
4122313212023022021
5433041102311411
621130432302505
72040634210052
oct326746131211
982417387755
1028850041481
1111265107198
1257119a1a35
13294a071b81
141579823729
15b3cbc568b
hex6b798b289

28850041481 has 2 divisors, whose sum is σ = 28850041482. Its totient is φ = 28850041480.

The previous prime is 28850041447. The next prime is 28850041483. The reversal of 28850041481 is 18414005882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26401375225 + 2448666256 = 162485^2 + 49484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28850041481 is a prime.

It is a super-2 number, since 2×288500414812 (a number of 22 digits) contains 22 as substring.

Together with 28850041483, 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 (28850041483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425020740 + 14425020741.

It is an arithmetic number, because the mean of its divisors is an integer number (14425020741).

Almost surely, 228850041481 is an apocalyptic number.

It is an amenable number.

28850041481 is a deficient number, since it is larger than the sum of its proper divisors (1).

28850041481 is an equidigital number, since it uses as much as digits as its factorization.

28850041481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81920, while the sum is 41.

The spelling of 28850041481 in words is "twenty-eight billion, eight hundred fifty million, forty-one thousand, four hundred eighty-one".