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80417730487 is a prime number
BaseRepresentation
bin100101011100101000…
…1010010111110110111
321200120110010222111111
41022321101102332313
52304143414333422
6100535435015451
75544553300513
oct1127121227667
9250513128444
1080417730487
1131117792196
121370389a587
137777843813
143c6c437143
152159ed5a77
hex12b9452fb7

80417730487 has 2 divisors, whose sum is σ = 80417730488. Its totient is φ = 80417730486.

The previous prime is 80417730469. The next prime is 80417730683. The reversal of 80417730487 is 78403771408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80417730487 - 211 = 80417728439 is a prime.

It is a super-2 number, since 2×804177304872 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80417730487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80417730467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40208865243 + 40208865244.

It is an arithmetic number, because the mean of its divisors is an integer number (40208865244).

Almost surely, 280417730487 is an apocalyptic number.

80417730487 is a deficient number, since it is larger than the sum of its proper divisors (1).

80417730487 is an equidigital number, since it uses as much as digits as its factorization.

80417730487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 80417730487 in words is "eighty billion, four hundred seventeen million, seven hundred thirty thousand, four hundred eighty-seven".