Base | Representation |
---|---|
bin | 1101110110110000… |
… | …00010011010111101 |
3 | 201012102001102221021 |
4 | 12323120002122331 |
5 | 110213240424221 |
6 | 3230043104141 |
7 | 352223060653 |
oct | 67330023275 |
9 | 21172042837 |
10 | 7438608061 |
11 | 317799a375 |
12 | 1537212051 |
13 | 917144641 |
14 | 507cd0dd3 |
15 | 2d80a7041 |
hex | 1bb6026bd |
7438608061 has 2 divisors, whose sum is σ = 7438608062. Its totient is φ = 7438608060.
The previous prime is 7438608041. The next prime is 7438608109. The reversal of 7438608061 is 1608068347.
7438608061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4409756836 + 3028851225 = 66406^2 + 55035^2 .
It is a cyclic number.
It is not a de Polignac number, because 7438608061 - 25 = 7438608029 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7438607999 and 7438608017.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7438608031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719304030 + 3719304031.
It is an arithmetic number, because the mean of its divisors is an integer number (3719304031).
Almost surely, 27438608061 is an apocalyptic number.
It is an amenable number.
7438608061 is a deficient number, since it is larger than the sum of its proper divisors (1).
7438608061 is an equidigital number, since it uses as much as digits as its factorization.
7438608061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 7438608061 is about 86247.3655307801. The cubic root of 7438608061 is about 1952.0782629707.
The spelling of 7438608061 in words is "seven billion, four hundred thirty-eight million, six hundred eight thousand, sixty-one".
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