Base | Representation |
---|---|
bin | 111111110011000110… |
… | …100010100011001100 |
3 | 20112211002122101200210 |
4 | 333303012202203030 |
5 | 2110243242243213 |
6 | 51245254522420 |
7 | 4643366430465 |
oct | 776306424314 |
9 | 215732571623 |
10 | 68503087308 |
11 | 27063230447 |
12 | 11339666410 |
13 | 65c92966b6 |
14 | 345bcb7d6c |
15 | 1badec60c3 |
hex | ff31a28cc |
68503087308 has 12 divisors (see below), whose sum is σ = 159840537080. Its totient is φ = 22834362432.
The previous prime is 68503087271. The next prime is 68503087327. The reversal of 68503087308 is 80378030586.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854295293 + ... + 2854295316.
Almost surely, 268503087308 is an apocalyptic number.
It is an amenable number.
68503087308 is an abundant number, since it is smaller than the sum of its proper divisors (91337449772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68503087308 is a wasteful number, since it uses less digits than its factorization.
68503087308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5708590616 (or 5708590614 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 68503087308 in words is "sixty-eight billion, five hundred three million, eighty-seven thousand, three hundred eight".
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