Base | Representation |
---|---|
bin | 100111011000011… |
… | …0000011011100010 |
3 | 10102002110021200201 |
4 | 1032300300123202 |
5 | 10201234413010 |
6 | 335042135414 |
7 | 44513515114 |
oct | 11660603342 |
9 | 3362407621 |
10 | 1321404130 |
11 | 618997532 |
12 | 30a65156a |
13 | 1809c0547 |
14 | c76d33b4 |
15 | 7b01c23a |
hex | 4ec306e2 |
1321404130 has 16 divisors (see below), whose sum is σ = 2387309184. Its totient is φ = 526610160.
The previous prime is 1321404121. The next prime is 1321404151. The reversal of 1321404130 is 314041231.
It is a super-2 number, since 2×13214041302 = 3492217749562113800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1321404098 and 1321404107.
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, 241092 + ... + 246511.
It is an arithmetic number, because the mean of its divisors is an integer number (149206824).
Almost surely, 21321404130 is an apocalyptic number.
1321404130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1321404130 is a deficient number, since it is larger than the sum of its proper divisors (1065905054).
1321404130 is a wasteful number, since it uses less digits than its factorization.
1321404130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487881.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1321404130 is about 36351.1228162212. The cubic root of 1321404130 is about 1097.3501313095.
Adding to 1321404130 its reverse (314041231), we get a palindrome (1635445361).
The spelling of 1321404130 in words is "one billion, three hundred twenty-one million, four hundred four thousand, one hundred thirty".
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