Base | Representation |
---|---|
bin | 1000110101000111100001… |
… | …00100111010000111100101 |
3 | 2112202021102012202101220222 |
4 | 10122203300210322013211 |
5 | 10021113101311304442 |
6 | 105144102405534125 |
7 | 4042565336020436 |
oct | 432436044720745 |
9 | 75667365671828 |
10 | 19417288384997 |
11 | 620690a0a4028 |
12 | 221724a714345 |
13 | aab07230ba49 |
14 | 4b1b320c548d |
15 | 23a14cba78d2 |
hex | 11a8f093a1e5 |
19417288384997 has 2 divisors, whose sum is σ = 19417288384998. Its totient is φ = 19417288384996.
The previous prime is 19417288384979. The next prime is 19417288385041. The reversal of 19417288384997 is 79948388271491.
Together with previous prime (19417288384979) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16482049116481 + 2935239268516 = 4059809^2 + 1713254^2 .
It is a cyclic number.
It is not a de Polignac number, because 19417288384997 - 210 = 19417288383973 is a prime.
It is a super-2 number, since 2×194172883849972 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19417288386997) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9708644192498 + 9708644192499.
It is an arithmetic number, because the mean of its divisors is an integer number (9708644192499).
Almost surely, 219417288384997 is an apocalyptic number.
It is an amenable number.
19417288384997 is a deficient number, since it is larger than the sum of its proper divisors (1).
19417288384997 is an equidigital number, since it uses as much as digits as its factorization.
19417288384997 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1755758592, while the sum is 80.
The spelling of 19417288384997 in words is "nineteen trillion, four hundred seventeen billion, two hundred eighty-eight million, three hundred eighty-four thousand, nine hundred ninety-seven".
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