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28802014487 is a prime number
BaseRepresentation
bin11010110100101110…
…111101110100010111
32202100021001221012022
4122310232331310113
5432441303430422
621121555043355
72036512040501
oct326456756427
982307057168
1028802014487
111123aa93864
1256b98a055b
13294012782c
1415732c0d71
15b3888a342
hex6b4bbdd17

28802014487 has 2 divisors, whose sum is σ = 28802014488. Its totient is φ = 28802014486.

The previous prime is 28802014463. The next prime is 28802014489. The reversal of 28802014487 is 78441020882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28802014487 - 210 = 28802013463 is a prime.

Together with 28802014489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28802014489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401007243 + 14401007244.

It is an arithmetic number, because the mean of its divisors is an integer number (14401007244).

Almost surely, 228802014487 is an apocalyptic number.

28802014487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28802014487 is an equidigital number, since it uses as much as digits as its factorization.

28802014487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 28802014487 in words is "twenty-eight billion, eight hundred two million, fourteen thousand, four hundred eighty-seven".