Base | Representation |
---|---|
bin | 100011101101100100… |
… | …010010001100101111 |
3 | 10122222100201200222111 |
4 | 203231210102030233 |
5 | 1112012413402122 |
6 | 25340552024451 |
7 | 2525143643464 |
oct | 435544221457 |
9 | 118870650874 |
10 | 38345450287 |
11 | 15298009391 |
12 | 7521992127 |
13 | 380135a571 |
14 | 1bda95766b |
15 | ee660ed77 |
hex | 8ed91232f |
38345450287 has 2 divisors, whose sum is σ = 38345450288. Its totient is φ = 38345450286.
The previous prime is 38345450281. The next prime is 38345450321. The reversal of 38345450287 is 78205454383.
38345450287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 38345450287 - 215 = 38345417519 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38345450287.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38345450281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19172725143 + 19172725144.
It is an arithmetic number, because the mean of its divisors is an integer number (19172725144).
Almost surely, 238345450287 is an apocalyptic number.
38345450287 is a deficient number, since it is larger than the sum of its proper divisors (1).
38345450287 is an equidigital number, since it uses as much as digits as its factorization.
38345450287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3225600, while the sum is 49.
The spelling of 38345450287 in words is "thirty-eight billion, three hundred forty-five million, four hundred fifty thousand, two hundred eighty-seven".
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