Base | Representation |
---|---|
bin | 1000010000011101… |
… | …0101001011101000 |
3 | 12201110202120222111 |
4 | 2010013111023220 |
5 | 14014411424110 |
6 | 1003535332104 |
7 | 105633026521 |
oct | 20407251350 |
9 | 5643676874 |
10 | 2216514280 |
11 | a38189a92 |
12 | 51a381034 |
13 | 294294316 |
14 | 170539848 |
15 | ce8cee8a |
hex | 841d52e8 |
2216514280 has 16 divisors (see below), whose sum is σ = 4987157220. Its totient is φ = 886605696.
The previous prime is 2216514269. The next prime is 2216514343. The reversal of 2216514280 is 824156122.
It can be written as a sum of positive squares in 2 ways, for example, as 2197171876 + 19342404 = 46874^2 + 4398^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27706389 + ... + 27706468.
Almost surely, 22216514280 is an apocalyptic number.
2216514280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2216514280 is an abundant number, since it is smaller than the sum of its proper divisors (2770642940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2216514280 is a wasteful number, since it uses less digits than its factorization.
2216514280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55412868 (or 55412864 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 2216514280 is about 47079.8712827467. The cubic root of 2216514280 is about 1303.8376304914.
The spelling of 2216514280 in words is "two billion, two hundred sixteen million, five hundred fourteen thousand, two hundred eighty".
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