Base | Representation |
---|---|
bin | 100011011101110110… |
… | …010011011010110001 |
3 | 10122021222111202022012 |
4 | 203131312103122301 |
5 | 1110442411112132 |
6 | 25254451452305 |
7 | 2515462302302 |
oct | 433566233261 |
9 | 118258452265 |
10 | 38081738417 |
11 | 1517216a798 |
12 | 74695b7095 |
13 | 378b826938 |
14 | 1bb390c7a9 |
15 | ecd3bd0b2 |
hex | 8ddd936b1 |
38081738417 has 2 divisors, whose sum is σ = 38081738418. Its totient is φ = 38081738416.
The previous prime is 38081738353. The next prime is 38081738441. The reversal of 38081738417 is 71483718083.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 34112612416 + 3969126001 = 184696^2 + 63001^2 .
It is an emirp because it is prime and its reverse (71483718083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38081738417 - 26 = 38081738353 is a prime.
It is not a weakly prime, because it can be changed into another prime (38081738447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19040869208 + 19040869209.
It is an arithmetic number, because the mean of its divisors is an integer number (19040869209).
Almost surely, 238081738417 is an apocalyptic number.
It is an amenable number.
38081738417 is a deficient number, since it is larger than the sum of its proper divisors (1).
38081738417 is an equidigital number, since it uses as much as digits as its factorization.
38081738417 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 903168, while the sum is 50.
The spelling of 38081738417 in words is "thirty-eight billion, eighty-one million, seven hundred thirty-eight thousand, four hundred seventeen".
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