Base | Representation |
---|---|
bin | 11101110011110000101… |
… | …01100011001100001010 |
3 | 10121220200201202101121121 |
4 | 32321320111203030022 |
5 | 113240101102202110 |
6 | 2102304245225454 |
7 | 133666103654602 |
oct | 16717025431412 |
9 | 3556621671547 |
10 | 1024221131530 |
11 | 365408144573 |
12 | 14660170228a |
13 | 7577833a62c |
14 | 378031a5c02 |
15 | 1b997d87cda |
hex | ee7856330a |
1024221131530 has 16 divisors (see below), whose sum is σ = 1878382906344. Its totient is φ = 401958481600.
The previous prime is 1024221131413. The next prime is 1024221131567. The reversal of 1024221131530 is 351311224201.
1024221131530 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 4 ways, for example, as 557033844409 + 467187287121 = 746347^2 + 683511^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1024221131495 and 1024221131504.
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, 966245821 + ... + 966246880.
Almost surely, 21024221131530 is an apocalyptic number.
1024221131530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1024221131530 is a deficient number, since it is larger than the sum of its proper divisors (854161774814).
1024221131530 is a wasteful number, since it uses less digits than its factorization.
1024221131530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1932492761.
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 1024221131530 its reverse (351311224201), we get a palindrome (1375532355731).
The spelling of 1024221131530 in words is "one trillion, twenty-four billion, two hundred twenty-one million, one hundred thirty-one thousand, five hundred thirty".
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