Base | Representation |
---|---|
bin | 111111100001111011… |
… | …100100110010011011 |
3 | 20112002000120001111121 |
4 | 333201323210302123 |
5 | 2104201020001334 |
6 | 51200524110111 |
7 | 4633300635442 |
oct | 774173446233 |
9 | 215060501447 |
10 | 68215000219 |
11 | 26a25653343 |
12 | 11279095337 |
13 | 65816aa072 |
14 | 3431925d59 |
15 | 1b93a6bdb4 |
hex | fe1ee4c9b |
68215000219 has 2 divisors, whose sum is σ = 68215000220. Its totient is φ = 68215000218.
The previous prime is 68215000199. The next prime is 68215000247. The reversal of 68215000219 is 91200051286.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68215000219 - 29 = 68214999707 is a prime.
It is a super-2 number, since 2×682150002192 (a number of 22 digits) contains 22 as substring.
It is a weakly prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34107500109 + 34107500110.
It is an arithmetic number, because the mean of its divisors is an integer number (34107500110).
Almost surely, 268215000219 is an apocalyptic number.
68215000219 is a deficient number, since it is larger than the sum of its proper divisors (1).
68215000219 is an equidigital number, since it uses as much as digits as its factorization.
68215000219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 34.
The spelling of 68215000219 in words is "sixty-eight billion, two hundred fifteen million, two hundred nineteen", and thus it is an aban number.
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