Base | Representation |
---|---|
bin | 1010001010000… |
… | …11111111000111 |
3 | 12221100021102202 |
4 | 11011003333013 |
5 | 133303310002 |
6 | 12242225115 |
7 | 2053204526 |
oct | 505037707 |
9 | 187307382 |
10 | 85213127 |
11 | 4411197a |
12 | 2465519b |
13 | 1486718c |
14 | b4624bd |
15 | 7733502 |
hex | 5143fc7 |
85213127 has 2 divisors, whose sum is σ = 85213128. Its totient is φ = 85213126.
The previous prime is 85213111. The next prime is 85213133. The reversal of 85213127 is 72131258.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 85213127 - 24 = 85213111 is a prime.
It is a super-2 number, since 2×852131272 = 14522554026236258, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 85213127.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (85213147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42606563 + 42606564.
It is an arithmetic number, because the mean of its divisors is an integer number (42606564).
Almost surely, 285213127 is an apocalyptic number.
85213127 is a deficient number, since it is larger than the sum of its proper divisors (1).
85213127 is an equidigital number, since it uses as much as digits as its factorization.
85213127 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3360, while the sum is 29.
The square root of 85213127 is about 9231.0956554463. The cubic root of 85213127 is about 440.0501440786.
The spelling of 85213127 in words is "eighty-five million, two hundred thirteen thousand, one hundred twenty-seven".
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