Base | Representation |
---|---|
bin | 101011000010010… |
… | …1110000111110101 |
3 | 10201122021202200221 |
4 | 1112010232013311 |
5 | 10424140444234 |
6 | 355143334341 |
7 | 50533314100 |
oct | 12604560765 |
9 | 3648252627 |
10 | 1444078069 |
11 | 681165255 |
12 | 3437513b1 |
13 | 1a0242585 |
14 | d9b07737 |
15 | 86b9eeb4 |
hex | 5612e1f5 |
1444078069 has 24 divisors (see below), whose sum is σ = 1800309888. Its totient is φ = 1151932320.
The previous prime is 1444078063. The next prime is 1444078093. The reversal of 1444078069 is 9608704441.
It is not a de Polignac number, because 1444078069 - 23 = 1444078061 is a prime.
It is a super-2 number, since 2×14440780692 = 4170722938733537522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1444078061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24384 + ... + 59014.
It is an arithmetic number, because the mean of its divisors is an integer number (75012912).
Almost surely, 21444078069 is an apocalyptic number.
It is an amenable number.
1444078069 is a deficient number, since it is larger than the sum of its proper divisors (356231819).
1444078069 is a wasteful number, since it uses less digits than its factorization.
1444078069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34705 (or 34698 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 1444078069 is about 38001.0272098005. The cubic root of 1444078069 is about 1130.3082326718.
The spelling of 1444078069 in words is "one billion, four hundred forty-four million, seventy-eight thousand, sixty-nine".
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