Base | Representation |
---|---|
bin | 11001110000111… |
… | …10001110110101 |
3 | 120001200120021210 |
4 | 30320132032311 |
5 | 420312133420 |
6 | 33240232033 |
7 | 5233036014 |
oct | 1470361665 |
9 | 501616253 |
10 | 216130485 |
11 | 10100003a |
12 | 6046b619 |
13 | 35a1437c |
14 | 209c0a7b |
15 | 13e939e0 |
hex | ce1e3b5 |
216130485 has 16 divisors (see below), whose sum is σ = 347364864. Its totient is φ = 114750912.
The previous prime is 216130483. The next prime is 216130489. The reversal of 216130485 is 584031612.
It is not a de Polignac number, because 216130485 - 21 = 216130483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (216130483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28962 + ... + 35651.
It is an arithmetic number, because the mean of its divisors is an integer number (21710304).
Almost surely, 2216130485 is an apocalyptic number.
It is an amenable number.
216130485 is a deficient number, since it is larger than the sum of its proper divisors (131234379).
216130485 is a wasteful number, since it uses less digits than its factorization.
216130485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64844.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 216130485 is about 14701.3769763244. The cubic root of 216130485 is about 600.1207951237.
The spelling of 216130485 in words is "two hundred sixteen million, one hundred thirty thousand, four hundred eighty-five".
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