Base | Representation |
---|---|
bin | 1000001111011111… |
… | …0010011100010001 |
3 | 12201012002120212202 |
4 | 2003313302130101 |
5 | 14012341033300 |
6 | 1003312132545 |
7 | 105553266611 |
oct | 20367623421 |
9 | 5635076782 |
10 | 2212439825 |
11 | a35956872 |
12 | 518b37155 |
13 | 2934988bb |
14 | 16db98a41 |
15 | ce377ad5 |
hex | 83df2711 |
2212439825 has 12 divisors (see below), whose sum is σ = 2749442700. Its totient is φ = 1766069760.
The previous prime is 2212439813. The next prime is 2212439839. The reversal of 2212439825 is 5289342122.
2212439825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 400320064 + 1812119761 = 20008^2 + 42569^2 .
It is not a de Polignac number, because 2212439825 - 24 = 2212439809 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85400 + ... + 108249.
It is an arithmetic number, because the mean of its divisors is an integer number (229120225).
Almost surely, 22212439825 is an apocalyptic number.
2212439825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2212439825 is a deficient number, since it is larger than the sum of its proper divisors (537002875).
2212439825 is a wasteful number, since it uses less digits than its factorization.
2212439825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194116 (or 194111 counting only the distinct ones).
The product of its digits is 69120, while the sum is 38.
The square root of 2212439825 is about 47036.5796481845. The cubic root of 2212439825 is about 1303.0382242228.
The spelling of 2212439825 in words is "two billion, two hundred twelve million, four hundred thirty-nine thousand, eight hundred twenty-five".
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