Base | Representation |
---|---|
bin | 10001101000101101010000… |
… | …11111000001011100001111 |
3 | 12002022112100021122202120222 |
4 | 20310112220133001130033 |
5 | 20040401203110421424 |
6 | 214252124453301555 |
7 | 11111625153321431 |
oct | 1064265037013417 |
9 | 162275307582528 |
10 | 38782086420239 |
11 | 113a2432812408 |
12 | 442428a3348bb |
13 | 188419a949c26 |
14 | 9810c4c1c651 |
15 | 473c27548e5e |
hex | 2345a87c170f |
38782086420239 has 2 divisors, whose sum is σ = 38782086420240. Its totient is φ = 38782086420238.
The previous prime is 38782086420221. The next prime is 38782086420251. The reversal of 38782086420239 is 93202468028783.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (93202468028783) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38782086420239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38782086420839) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19391043210119 + 19391043210120.
It is an arithmetic number, because the mean of its divisors is an integer number (19391043210120).
Almost surely, 238782086420239 is an apocalyptic number.
38782086420239 is a deficient number, since it is larger than the sum of its proper divisors (1).
38782086420239 is an equidigital number, since it uses as much as digits as its factorization.
38782086420239 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 55738368, while the sum is 62.
The spelling of 38782086420239 in words is "thirty-eight trillion, seven hundred eighty-two billion, eighty-six million, four hundred twenty thousand, two hundred thirty-nine".
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