Base | Representation |
---|---|
bin | 11001110000111… |
… | …10010000000000 |
3 | 120001200120101120 |
4 | 30320132100000 |
5 | 420312134220 |
6 | 33240232240 |
7 | 5233036152 |
oct | 1470362000 |
9 | 501616346 |
10 | 216130560 |
11 | 1010000a8 |
12 | 6046b680 |
13 | 35a14409 |
14 | 209c0ad2 |
15 | 13e93a40 |
hex | ce1e400 |
216130560 has 88 divisors (see below), whose sum is σ = 691329216. Its totient is φ = 57630720.
The previous prime is 216130547. The next prime is 216130573. The reversal of 216130560 is 65031612.
It is an interprime number because it is at equal distance from previous prime (216130547) and next prime (216130573).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 216130560.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8325 + ... + 22395.
Almost surely, 2216130560 is an apocalyptic number.
216130560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 216130560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345664608).
216130560 is an abundant number, since it is smaller than the sum of its proper divisors (475198656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216130560 is a wasteful number, since it uses less digits than its factorization.
216130560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14099 (or 14081 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 216130560 is about 14701.3795271056. The cubic root of 216130560 is about 600.1208645402.
The spelling of 216130560 in words is "two hundred sixteen million, one hundred thirty thousand, five hundred sixty".
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