Base | Representation |
---|---|
bin | 1000001111011110… |
… | …0110001000001001 |
3 | 12201012000000200121 |
4 | 2003313212020021 |
5 | 14012332430020 |
6 | 1003311103241 |
7 | 105552666553 |
oct | 20367461011 |
9 | 5635000617 |
10 | 2212389385 |
11 | a35921988 |
12 | 518b11b21 |
13 | 29347b95b |
14 | 16db844d3 |
15 | ce367baa |
hex | 83de6209 |
2212389385 has 8 divisors (see below), whose sum is σ = 2661360840. Its totient is φ = 1765582464.
The previous prime is 2212389373. The next prime is 2212389409. The reversal of 2212389385 is 5839832122.
It can be written as a sum of positive squares in 4 ways, for example, as 858958864 + 1353430521 = 29308^2 + 36789^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2212389385 is a prime.
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, 538882 + ... + 542971.
It is an arithmetic number, because the mean of its divisors is an integer number (332670105).
Almost surely, 22212389385 is an apocalyptic number.
It is an amenable number.
2212389385 is a deficient number, since it is larger than the sum of its proper divisors (448971455).
2212389385 is a wasteful number, since it uses less digits than its factorization.
2212389385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1082267.
The product of its digits is 207360, while the sum is 43.
The square root of 2212389385 is about 47036.0434666863. The cubic root of 2212389385 is about 1303.0283217693.
The spelling of 2212389385 in words is "two billion, two hundred twelve million, three hundred eighty-nine thousand, three hundred eighty-five".
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