Base | Representation |
---|---|
bin | 100100001011100… |
… | …1000000001101101 |
3 | 10010121101200202012 |
4 | 1020113020001231 |
5 | 4441242143431 |
6 | 320244411005 |
7 | 42041004662 |
oct | 11027100155 |
9 | 3117350665 |
10 | 1214021741 |
11 | 573313559 |
12 | 29a6a6a65 |
13 | 16469377a |
14 | b733da69 |
15 | 718aa22b |
hex | 485c806d |
1214021741 has 2 divisors, whose sum is σ = 1214021742. Its totient is φ = 1214021740.
The previous prime is 1214021723. The next prime is 1214021749. The reversal of 1214021741 is 1471204121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 936666025 + 277355716 = 30605^2 + 16654^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1214021741 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1214021749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607010870 + 607010871.
It is an arithmetic number, because the mean of its divisors is an integer number (607010871).
Almost surely, 21214021741 is an apocalyptic number.
It is an amenable number.
1214021741 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214021741 is an equidigital number, since it uses as much as digits as its factorization.
1214021741 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 23.
The square root of 1214021741 is about 34842.8147686148. The cubic root of 1214021741 is about 1066.7815306751.
Adding to 1214021741 its reverse (1471204121), we get a palindrome (2685225862).
The spelling of 1214021741 in words is "one billion, two hundred fourteen million, twenty-one thousand, seven hundred forty-one".
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