Base | Representation |
---|---|
bin | 1000000010111110… |
… | …1111110011010111 |
3 | 12120112102101020222 |
4 | 2000233233303113 |
5 | 13410430001330 |
6 | 554200144555 |
7 | 104345461502 |
oct | 20057576327 |
9 | 5515371228 |
10 | 2160000215 |
11 | a0929a14a |
12 | 50346815b |
13 | 285667c49 |
14 | 166c28139 |
15 | c996a0e5 |
hex | 80befcd7 |
2160000215 has 4 divisors (see below), whose sum is σ = 2592000264. Its totient is φ = 1728000168.
The previous prime is 2160000163. The next prime is 2160000233. The reversal of 2160000215 is 5120000612.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2160000215 - 26 = 2160000151 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2160000193 and 2160000202.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216000017 + ... + 216000026.
It is an arithmetic number, because the mean of its divisors is an integer number (648000066).
Almost surely, 22160000215 is an apocalyptic number.
2160000215 is a deficient number, since it is larger than the sum of its proper divisors (432000049).
2160000215 is an equidigital number, since it uses as much as digits as its factorization.
2160000215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432000048.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 2160000215 is about 46475.8024675207. The cubic root of 2160000215 is about 1292.6608569083.
Adding to 2160000215 its reverse (5120000612), we get a palindrome (7280000827).
The spelling of 2160000215 in words is "two billion, one hundred sixty million, two hundred fifteen", and thus it is an aban number.
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