Base | Representation |
---|---|
bin | 111111011110010011… |
… | …101101110111101110 |
3 | 20111220210012002201220 |
4 | 333132103231313232 |
5 | 2104034440020024 |
6 | 51150513244210 |
7 | 4631632211616 |
oct | 773623556756 |
9 | 214823162656 |
10 | 68154220014 |
11 | 269a430a271 |
12 | 11260863666 |
13 | 6571c18c4a |
14 | 3427823a46 |
15 | 1b8d562e79 |
hex | fde4eddee |
68154220014 has 8 divisors (see below), whose sum is σ = 136308440040. Its totient is φ = 22718073336.
The previous prime is 68154220003. The next prime is 68154220027. The reversal of 68154220014 is 41002245186.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
68154220014 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5679518329 + ... + 5679518340.
It is an arithmetic number, because the mean of its divisors is an integer number (17038555005).
Almost surely, 268154220014 is an apocalyptic number.
68154220014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68154220014 is a wasteful number, since it uses less digits than its factorization.
68154220014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11359036674.
The product of its (nonzero) digits is 15360, while the sum is 33.
The spelling of 68154220014 in words is "sixty-eight billion, one hundred fifty-four million, two hundred twenty thousand, fourteen".
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