Base | Representation |
---|---|
bin | 100111101010101101… |
… | …1000101010000111101 |
3 | 22010212200122122021002 |
4 | 1033111123011100331 |
5 | 2343424331300320 |
6 | 103044454420045 |
7 | 6103651523546 |
oct | 1172533052075 |
9 | 263780578232 |
10 | 85185025085 |
11 | 331437a9186 |
12 | 14614361625 |
13 | 80574068b4 |
14 | 41a16414cd |
15 | 23387c2675 |
hex | 13d56c543d |
85185025085 has 16 divisors (see below), whose sum is σ = 107973465600. Its totient is φ = 64415977920.
The previous prime is 85185025069. The next prime is 85185025117. The reversal of 85185025085 is 58052058158.
It is not a de Polignac number, because 85185025085 - 24 = 85185025069 is a prime.
It is a congruent number.
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, 6383810 + ... + 6397139.
It is an arithmetic number, because the mean of its divisors is an integer number (6748341600).
Almost surely, 285185025085 is an apocalyptic number.
It is an amenable number.
85185025085 is a deficient number, since it is larger than the sum of its proper divisors (22788440515).
85185025085 is a wasteful number, since it uses less digits than its factorization.
85185025085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12781028.
The product of its (nonzero) digits is 640000, while the sum is 47.
The spelling of 85185025085 in words is "eighty-five billion, one hundred eighty-five million, twenty-five thousand, eighty-five".
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