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80178070380405 = 35411087119936381
BaseRepresentation
bin10010001110101111101001…
…011001110101111101110101
3101111212221121120200121102020
4102032233221121311331311
541002114142004133110
6442305144054503353
722613450220305334
oct2216575131657565
9344787546617366
1080178070380405
1123602368545588
128bab069664b59
1335979b4aa210a
1415b28d43b5d1b
15940937a32d70
hex48ebe9675f75

80178070380405 has 32 divisors (see below), whose sum is σ = 131534709884928. Its totient is φ = 41680290777600.

The previous prime is 80178070380389. The next prime is 80178070380427. The reversal of 80178070380405 is 50408307087108.

It is not a de Polignac number, because 80178070380405 - 24 = 80178070380389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59299686 + ... + 60636695.

It is an arithmetic number, because the mean of its divisors is an integer number (4110459683904).

Almost surely, 280178070380405 is an apocalyptic number.

It is an amenable number.

80178070380405 is a deficient number, since it is larger than the sum of its proper divisors (51356639504523).

80178070380405 is a wasteful number, since it uses less digits than its factorization.

80178070380405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119937517.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 80178070380405 in words is "eighty trillion, one hundred seventy-eight billion, seventy million, three hundred eighty thousand, four hundred five".

Divisors: 1 3 5 15 41 123 205 615 1087 3261 5435 16305 44567 133701 222835 668505 119936381 359809143 599681905 1799045715 4917391621 14752174863 24586958105 73760874315 130370846147 391112538441 651854230735 1955562692205 5345204692027 16035614076081 26726023460135 80178070380405