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73394387105 = 51310931033069
BaseRepresentation
bin100010001011010100…
…1010111100010100001
321000102222111011121112
41010112221113202201
52200302430341410
653414504233105
75205531665654
oct1042651274241
9230388434545
1073394387105
1129143244376
121228376b795
136bc8756730
1437a376189b
151d9860a105
hex1116a578a1

73394387105 has 16 divisors (see below), whose sum is σ = 94935000720. Its totient is φ = 54149292288.

The previous prime is 73394387069. The next prime is 73394387119. The reversal of 73394387105 is 50178349337.

It can be written as a sum of positive squares in 8 ways, for example, as 2485620736 + 70908766369 = 49856^2 + 266287^2 .

It is not a de Polignac number, because 73394387105 - 228 = 73125951649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445490 + ... + 587579.

It is an arithmetic number, because the mean of its divisors is an integer number (5933437545).

Almost surely, 273394387105 is an apocalyptic number.

It is an amenable number.

73394387105 is a deficient number, since it is larger than the sum of its proper divisors (21540613615).

73394387105 is a wasteful number, since it uses less digits than its factorization.

73394387105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034180.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 73394387105 in words is "seventy-three billion, three hundred ninety-four million, three hundred eighty-seven thousand, one hundred five".

Divisors: 1 5 13 65 1093 5465 14209 71045 1033069 5165345 13429897 67149485 1129144417 5645722085 14678877421 73394387105