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80765183814647 is a prime number
BaseRepresentation
bin10010010111010010011100…
…000101110110101111110111
3101120222002001112012021222012
4102113102130011312233313
541041224044024032042
6443435002505154435
723004043355202653
oct2227223405665767
9346862045167865
1080765183814647
112380935a7a0532
129084a0078ba1b
13360b17c9c6187
1415d30acdbba63
15950d4b3a8e82
hex49749c176bf7

80765183814647 has 2 divisors, whose sum is σ = 80765183814648. Its totient is φ = 80765183814646.

The previous prime is 80765183814607. The next prime is 80765183814671. The reversal of 80765183814647 is 74641838156708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80765183814647 - 220 = 80765182766071 is a prime.

It is a super-2 number, since 2×807651838146472 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80765183814607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40382591907323 + 40382591907324.

It is an arithmetic number, because the mean of its divisors is an integer number (40382591907324).

Almost surely, 280765183814647 is an apocalyptic number.

80765183814647 is a deficient number, since it is larger than the sum of its proper divisors (1).

80765183814647 is an equidigital number, since it uses as much as digits as its factorization.

80765183814647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216760320, while the sum is 68.

The spelling of 80765183814647 in words is "eighty trillion, seven hundred sixty-five billion, one hundred eighty-three million, eight hundred fourteen thousand, six hundred forty-seven".