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80002147 is a prime number
BaseRepresentation
bin1001100010010…
…11110001100011
312120112112022111
410301023301203
5130440032042
611534420151
71661002261
oct461136143
9176475274
1080002147
1141182885
1222961657
1313761364
14a8a7431
157054517
hex4c4bc63

80002147 has 2 divisors, whose sum is σ = 80002148. Its totient is φ = 80002146.

The previous prime is 80002033. The next prime is 80002199. The reversal of 80002147 is 74120008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80002147 - 219 = 79477859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80302147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40001073 + 40001074.

It is an arithmetic number, because the mean of its divisors is an integer number (40001074).

Almost surely, 280002147 is an apocalyptic number.

80002147 is a deficient number, since it is larger than the sum of its proper divisors (1).

80002147 is an equidigital number, since it uses as much as digits as its factorization.

80002147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 80002147 is about 8944.3919301426. The cubic root of 80002147 is about 430.8907926146.

The spelling of 80002147 in words is "eighty million, two thousand, one hundred forty-seven".