Base | Representation |
---|---|
bin | 101011000010010… |
… | …1110000111101101 |
3 | 10201122021202200122 |
4 | 1112010232013231 |
5 | 10424140444221 |
6 | 355143334325 |
7 | 50533314056 |
oct | 12604560755 |
9 | 3648252618 |
10 | 1444078061 |
11 | 681165248 |
12 | 3437513a5 |
13 | 1a024257a |
14 | d9b0772d |
15 | 86b9eeab |
hex | 5612e1ed |
1444078061 has 2 divisors, whose sum is σ = 1444078062. Its totient is φ = 1444078060.
The previous prime is 1444078037. The next prime is 1444078063. The reversal of 1444078061 is 1608704441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1166222500 + 277855561 = 34150^2 + 16669^2 .
It is a cyclic number.
It is not a de Polignac number, because 1444078061 - 230 = 370336237 is a prime.
It is a super-2 number, since 2×14440780612 = 4170722892523039442, which contains 22 as substring.
Together with 1444078063, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1444078063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722039030 + 722039031.
It is an arithmetic number, because the mean of its divisors is an integer number (722039031).
Almost surely, 21444078061 is an apocalyptic number.
It is an amenable number.
1444078061 is a deficient number, since it is larger than the sum of its proper divisors (1).
1444078061 is an equidigital number, since it uses as much as digits as its factorization.
1444078061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 1444078061 is about 38001.0271045402. The cubic root of 1444078061 is about 1130.3082305845.
The spelling of 1444078061 in words is "one billion, four hundred forty-four million, seventy-eight thousand, sixty-one".
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