Base | Representation |
---|---|
bin | 100111111100100111… |
… | …1110011001001011111 |
3 | 22012102120120201102122 |
4 | 1033321033303021133 |
5 | 2401142212001241 |
6 | 103224244413155 |
7 | 6124600240334 |
oct | 1177117631137 |
9 | 265376521378 |
10 | 85786047071 |
11 | 33421a9496a |
12 | 147616a71bb |
13 | 8121a9c6ca |
14 | 421b3b298b |
15 | 237144304b |
hex | 13f93f325f |
85786047071 has 32 divisors (see below), whose sum is σ = 98767411200. Its totient is φ = 73970288640.
The previous prime is 85786047043. The next prime is 85786047089. The reversal of 85786047071 is 17074068758.
It is a cyclic number.
It is not a de Polignac number, because 85786047071 - 230 = 84712305247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85786047091) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22056695 + ... + 22060583.
It is an arithmetic number, because the mean of its divisors is an integer number (3086481600).
Almost surely, 285786047071 is an apocalyptic number.
85786047071 is a deficient number, since it is larger than the sum of its proper divisors (12981364129).
85786047071 is a wasteful number, since it uses less digits than its factorization.
85786047071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6159.
The product of its (nonzero) digits is 2634240, while the sum is 53.
The spelling of 85786047071 in words is "eighty-five billion, seven hundred eighty-six million, forty-seven thousand, seventy-one".
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