Base | Representation |
---|---|
bin | 100111101010111000… |
… | …0000001100001100001 |
3 | 22010220001222112201022 |
4 | 1033111300001201201 |
5 | 2343432232433120 |
6 | 103045212215225 |
7 | 6104046266525 |
oct | 1172560014141 |
9 | 263801875638 |
10 | 85190514785 |
11 | 33146908722 |
12 | 1461616a515 |
13 | 80585a953c |
14 | 41a226dd85 |
15 | 2339009025 |
hex | 13d5c01861 |
85190514785 has 32 divisors (see below), whose sum is σ = 103950200832. Its totient is φ = 67016678400.
The previous prime is 85190514727. The next prime is 85190514797. The reversal of 85190514785 is 58741509158.
It is a de Polignac number, because none of the positive numbers 2k-85190514785 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47300885 + ... + 47302685.
It is an arithmetic number, because the mean of its divisors is an integer number (3248443776).
Almost surely, 285190514785 is an apocalyptic number.
It is an amenable number.
85190514785 is a deficient number, since it is larger than the sum of its proper divisors (18759686047).
85190514785 is a wasteful number, since it uses less digits than its factorization.
85190514785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2553.
The product of its (nonzero) digits is 2016000, while the sum is 53.
The spelling of 85190514785 in words is "eighty-five billion, one hundred ninety million, five hundred fourteen thousand, seven hundred eighty-five".
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