Base | Representation |
---|---|
bin | 1000010110001000… |
… | …0110101100000101 |
3 | 12210010112112121020 |
4 | 2011202012230011 |
5 | 14042004410041 |
6 | 1010145341353 |
7 | 106342215045 |
oct | 20542065405 |
9 | 5703475536 |
10 | 2240310021 |
11 | a4a662094 |
12 | 526337859 |
13 | 2991a6341 |
14 | 173771725 |
15 | d1a30866 |
hex | 85886b05 |
2240310021 has 16 divisors (see below), whose sum is σ = 3068212224. Its totient is φ = 1453511664.
The previous prime is 2240309957. The next prime is 2240310043. The reversal of 2240310021 is 1200130422.
It is not a de Polignac number, because 2240310021 - 26 = 2240309957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2240310071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50461 + ... + 83826.
It is an arithmetic number, because the mean of its divisors is an integer number (191763264).
Almost surely, 22240310021 is an apocalyptic number.
It is an amenable number.
2240310021 is a deficient number, since it is larger than the sum of its proper divisors (827902203).
2240310021 is a wasteful number, since it uses less digits than its factorization.
2240310021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134440.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2240310021 is about 47331.9133460713. The cubic root of 2240310021 is about 1308.4868843414.
Adding to 2240310021 its reverse (1200130422), we get a palindrome (3440440443).
The spelling of 2240310021 in words is "two billion, two hundred forty million, three hundred ten thousand, twenty-one".
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