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80423794078 = 2311297157969
BaseRepresentation
bin100101011100110100…
…0011011010110011110
321200120212120001011221
41022321220123112132
52304201442402303
6100540213003554
75544655653565
oct1127150332636
9250525501157
1080423794078
1131120153921
12137059235ba
137778b87744
143c6d174bdc
15215a7d24bd
hex12b9a1b59e

80423794078 has 8 divisors (see below), whose sum is σ = 124527165120. Its totient is φ = 38914739040.

The previous prime is 80423794051. The next prime is 80423794079. The reversal of 80423794078 is 87049732408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80423794079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648578923 + ... + 648579046.

It is an arithmetic number, because the mean of its divisors is an integer number (15565895640).

Almost surely, 280423794078 is an apocalyptic number.

80423794078 is a deficient number, since it is larger than the sum of its proper divisors (44103371042).

80423794078 is a wasteful number, since it uses less digits than its factorization.

80423794078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297158002.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 80423794078 in words is "eighty billion, four hundred twenty-three million, seven hundred ninety-four thousand, seventy-eight".

Divisors: 1 2 31 62 1297157969 2594315938 40211897039 80423794078