Base | Representation |
---|---|
bin | 101011110001010… |
… | …0111110101100101 |
3 | 10210100121101012221 |
4 | 1113202213311211 |
5 | 11001441200421 |
6 | 401423112341 |
7 | 51252456205 |
oct | 12742476545 |
9 | 3710541187 |
10 | 1468693861 |
11 | 694048488 |
12 | 34ba426b1 |
13 | 1a538092b |
14 | dd0b4405 |
15 | 88e13841 |
hex | 578a7d65 |
1468693861 has 2 divisors, whose sum is σ = 1468693862. Its totient is φ = 1468693860.
The previous prime is 1468693783. The next prime is 1468693921. The reversal of 1468693861 is 1683968641.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1468345761 + 348100 = 38319^2 + 590^2 .
It is a cyclic number.
It is not a de Polignac number, because 1468693861 - 211 = 1468691813 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1468693799 and 1468693808.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1468694861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734346930 + 734346931.
It is an arithmetic number, because the mean of its divisors is an integer number (734346931).
Almost surely, 21468693861 is an apocalyptic number.
It is an amenable number.
1468693861 is a deficient number, since it is larger than the sum of its proper divisors (1).
1468693861 is an equidigital number, since it uses as much as digits as its factorization.
1468693861 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1492992, while the sum is 52.
The square root of 1468693861 is about 38323.5418639770. The cubic root of 1468693861 is about 1136.6945032164.
The spelling of 1468693861 in words is "one billion, four hundred sixty-eight million, six hundred ninety-three thousand, eight hundred sixty-one".
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