Base | Representation |
---|---|
bin | 101010100111110… |
… | …0100011010000001 |
3 | 10200200001212122001 |
4 | 1111033210122001 |
5 | 10412104112031 |
6 | 353524544001 |
7 | 50304012622 |
oct | 12517443201 |
9 | 3620055561 |
10 | 1430144641 |
11 | 674308922 |
12 | 33ab52001 |
13 | 19a3a4543 |
14 | d7d1ba49 |
15 | 8584b861 |
hex | 553e4681 |
1430144641 has 2 divisors, whose sum is σ = 1430144642. Its totient is φ = 1430144640.
The previous prime is 1430144621. The next prime is 1430144647. The reversal of 1430144641 is 1464410341.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1032979600 + 397165041 = 32140^2 + 19929^2 .
It is a cyclic number.
It is not a de Polignac number, because 1430144641 - 229 = 893273729 is a prime.
It is not a weakly prime, because it can be changed into another prime (1430144647) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715072320 + 715072321.
It is an arithmetic number, because the mean of its divisors is an integer number (715072321).
Almost surely, 21430144641 is an apocalyptic number.
It is an amenable number.
1430144641 is a deficient number, since it is larger than the sum of its proper divisors (1).
1430144641 is an equidigital number, since it uses as much as digits as its factorization.
1430144641 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 1430144641 is about 37817.2532186038. The cubic root of 1430144641 is about 1126.6611551127.
Adding to 1430144641 its reverse (1464410341), we get a palindrome (2894554982).
The spelling of 1430144641 in words is "one billion, four hundred thirty million, one hundred forty-four thousand, six hundred forty-one".
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