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8028147893 is a prime number
BaseRepresentation
bin1110111101000001…
…11101000010110101
3202201111101011112212
413132200331002311
5112420201213033
63404343023205
7402642062663
oct73640750265
922644334485
108028147893
11344a753377
12168073ab05
139ac31a08c
14562313c33
1531ec0a748
hex1de83d0b5

8028147893 has 2 divisors, whose sum is σ = 8028147894. Its totient is φ = 8028147892.

The previous prime is 8028147889. The next prime is 8028147899. The reversal of 8028147893 is 3987418208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7939166404 + 88981489 = 89102^2 + 9433^2 .

It is a cyclic number.

It is not a de Polignac number, because 8028147893 - 22 = 8028147889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8028147899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4014073946 + 4014073947.

It is an arithmetic number, because the mean of its divisors is an integer number (4014073947).

Almost surely, 28028147893 is an apocalyptic number.

It is an amenable number.

8028147893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8028147893 is an equidigital number, since it uses as much as digits as its factorization.

8028147893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 8028147893 is about 89599.9324385906. The cubic root of 8028147893 is about 2002.3429120598.

The spelling of 8028147893 in words is "eight billion, twenty-eight million, one hundred forty-seven thousand, eight hundred ninety-three".