Base | Representation |
---|---|
bin | 1010001010111010… |
… | …0100000101011101 |
3 | 21001021012020021222 |
4 | 2202232210011131 |
5 | 21042402143141 |
6 | 1130523503125 |
7 | 124440412115 |
oct | 24256440535 |
9 | 7037166258 |
10 | 2730115421 |
11 | 1181096140 |
12 | 642387aa5 |
13 | 3467cc117 |
14 | 1bc832045 |
15 | 10ea3314b |
hex | a2ba415d |
2730115421 has 16 divisors (see below), whose sum is σ = 3062683008. Its totient is φ = 2412076800.
The previous prime is 2730115373. The next prime is 2730115441. The reversal of 2730115421 is 1245110372.
It is a cyclic number.
It is not a de Polignac number, because 2730115421 - 210 = 2730114397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2730115441) 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, 107105 + ... + 130121.
It is an arithmetic number, because the mean of its divisors is an integer number (191417688).
Almost surely, 22730115421 is an apocalyptic number.
It is an amenable number.
2730115421 is a deficient number, since it is larger than the sum of its proper divisors (332567587).
2730115421 is a wasteful number, since it uses less digits than its factorization.
2730115421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23332.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 2730115421 is about 52250.5064185985. The cubic root of 2730115421 is about 1397.6346830598.
Adding to 2730115421 its reverse (1245110372), we get a palindrome (3975225793).
The spelling of 2730115421 in words is "two billion, seven hundred thirty million, one hundred fifteen thousand, four hundred twenty-one".
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