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80388158399 = 383755927767
BaseRepresentation
bin100101011011110000…
…0011111001110111111
321200111101111120012222
41022313200133032333
52304113332032044
6100532501115555
75544044033513
oct1126740371677
9250441446188
1080388158399
113110202424a
12136b59b8bbb
13777168b543
143c6853a143
1521575e38ee
hex12b781f3bf

80388158399 has 8 divisors (see below), whose sum is σ = 80611614720. Its totient is φ = 80164773496.

The previous prime is 80388158387. The next prime is 80388158413. The reversal of 80388158399 is 99385188308.

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

It is a cyclic number.

It is not a de Polignac number, because 80388158399 - 232 = 76093191103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80388158329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881214 + ... + 2908980.

It is an arithmetic number, because the mean of its divisors is an integer number (10076451840).

Almost surely, 280388158399 is an apocalyptic number.

80388158399 is a deficient number, since it is larger than the sum of its proper divisors (223456321).

80388158399 is a wasteful number, since it uses less digits than its factorization.

80388158399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35709.

The product of its (nonzero) digits is 14929920, while the sum is 62.

The spelling of 80388158399 in words is "eighty billion, three hundred eighty-eight million, one hundred fifty-eight thousand, three hundred ninety-nine".

Divisors: 1 383 7559 27767 2895097 10634761 209890753 80388158399