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80164993291807 = 19293112312822827
BaseRepresentation
bin10010001110100011011101…
…111100101101011000011111
3101111211200212012211200021111
4102032203131330231120133
541001410401240314212
6442255142311242451
722612505160011524
oct2216433574553037
9344750765750244
1080164993291807
11235a78678a8346
128ba861a079427
1335966ac74c278
1415b201370114b
1594041e954ea7
hex48e8ddf2d61f

80164993291807 has 16 divisors (see below), whose sum is σ = 84747608991360. Its totient is φ = 75619179817632.

The previous prime is 80164993291763. The next prime is 80164993291927. The reversal of 80164993291807 is 70819239946108.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80164993291807 is a prime.

It is a super-2 number, since 2×801649932918072 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80164993298807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159673 + ... + 12663154.

It is an arithmetic number, because the mean of its divisors is an integer number (5296725561960).

Almost surely, 280164993291807 is an apocalyptic number.

80164993291807 is a deficient number, since it is larger than the sum of its proper divisors (4582615699553).

80164993291807 is a wasteful number, since it uses less digits than its factorization.

80164993291807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824262.

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 80164993291807 in words is "eighty trillion, one hundred sixty-four billion, nine hundred ninety-three million, two hundred ninety-one thousand, eight hundred seven".

Divisors: 1 19 293 1123 5567 21337 329039 6251741 12822827 243633713 3757088311 14400034721 71384677909 273600659699 4219210173253 80164993291807