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8472497142479 is a prime number
BaseRepresentation
bin111101101001010100000…
…1011101011101011001111
31002222221222220010012020012
41323102220023223223033
52102303133232024404
630004113401343435
71533055243314536
oct173225013535317
932887886105205
108472497142479
112777190839817
12b4a03a197b7b
13495c50b18736
142140dcd6331d
15ea5c82d3a6e
hex7b4a82ebacf

8472497142479 has 2 divisors, whose sum is σ = 8472497142480. Its totient is φ = 8472497142478.

The previous prime is 8472497142469. The next prime is 8472497142511. The reversal of 8472497142479 is 9742417942748.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8472497142479 - 24 = 8472497142463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8472497142469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236248571239 + 4236248571240.

It is an arithmetic number, because the mean of its divisors is an integer number (4236248571240).

Almost surely, 28472497142479 is an apocalyptic number.

8472497142479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8472497142479 is an equidigital number, since it uses as much as digits as its factorization.

8472497142479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 227598336, while the sum is 68.

The spelling of 8472497142479 in words is "eight trillion, four hundred seventy-two billion, four hundred ninety-seven million, one hundred forty-two thousand, four hundred seventy-nine".