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85700382505205 = 5131318467423157
BaseRepresentation
bin10011011111000110101100…
…110110110011100011110101
3102020102212200000012211021112
4103133012230312303203311
542213103340410131310
6502134113500524405
724023435241004526
oct2337065466634365
9366385600184245
1085700382505205
11253413677a10a6
129741384850705
1338a86856ba950
141723cc637084d
159d93e4abc705
hex4df1acdb38f5

85700382505205 has 8 divisors (see below), whose sum is σ = 110751263545272. Its totient is φ = 63286436311488.

The previous prime is 85700382505151. The next prime is 85700382505229. The reversal of 85700382505205 is 50250528300758.

It can be written as a sum of positive squares in 4 ways, for example, as 57547396 + 85700324957809 = 7586^2 + 9257447^2 .

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

It is not a de Polignac number, because 85700382505205 - 210 = 85700382504181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659233711514 + ... + 659233711643.

It is an arithmetic number, because the mean of its divisors is an integer number (13843907943159).

Almost surely, 285700382505205 is an apocalyptic number.

It is an amenable number.

85700382505205 is a deficient number, since it is larger than the sum of its proper divisors (25050881040067).

85700382505205 is a wasteful number, since it uses less digits than its factorization.

85700382505205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318467423175.

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 85700382505205 in words is "eighty-five trillion, seven hundred billion, three hundred eighty-two million, five hundred five thousand, two hundred five".

Divisors: 1 5 13 65 1318467423157 6592337115785 17140076501041 85700382505205