Base | Representation |
---|---|
bin | 11111001000001010001111… |
… | …10100001000101110110000 |
3 | 22222100202200001210012020101 |
4 | 33210011013310020232300 |
5 | 32432441300223132221 |
6 | 401325312522322144 |
7 | 20263233153344140 |
oct | 1744050764105660 |
9 | 288322601705211 |
10 | 68450098645936 |
11 | 1a8a0584216957 |
12 | 7816107659354 |
13 | 2c26a8010ba77 |
14 | 12c9006a26920 |
15 | 7da82678ed91 |
hex | 3e4147d08bb0 |
68450098645936 has 160 divisors (see below), whose sum is σ = 156801802899456. Its totient is φ = 28326989952000.
The previous prime is 68450098645927. The next prime is 68450098645937. The reversal of 68450098645936 is 63954689005486.
It is a super-3 number, since 3×684500986459363 (a number of 42 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (68450098645937) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5338898406 + ... + 5338911226.
Almost surely, 268450098645936 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68450098645936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78400901449728).
68450098645936 is an abundant number, since it is smaller than the sum of its proper divisors (88351704253520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68450098645936 is a wasteful number, since it uses less digits than its factorization.
68450098645936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16131 (or 16125 counting only the distinct ones).
The product of its (nonzero) digits is 1343692800, while the sum is 73.
The spelling of 68450098645936 in words is "sixty-eight trillion, four hundred fifty billion, ninety-eight million, six hundred forty-five thousand, nine hundred thirty-six".
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