Base | Representation |
---|---|
bin | 100000000011111000… |
… | …0101111100010100110 |
3 | 20120201020211212220111 |
4 | 1000013300233202212 |
5 | 2112001010214021 |
6 | 51343515523234 |
7 | 4655105515300 |
oct | 1000760574246 |
9 | 216636755814 |
10 | 68849694886 |
11 | 27220948895 |
12 | 1141575951a |
13 | 665303273b |
14 | 3491d40970 |
15 | 1bce63e8e1 |
hex | 1007c2f8a6 |
68849694886 has 24 divisors (see below), whose sum is σ = 120220359840. Its totient is φ = 29486216592.
The previous prime is 68849694877. The next prime is 68849694899.
68849694886 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107401 + ... + 386308.
It is an arithmetic number, because the mean of its divisors is an integer number (5009181660).
Almost surely, 268849694886 is an apocalyptic number.
68849694886 is a deficient number, since it is larger than the sum of its proper divisors (51370664954).
68849694886 is a wasteful number, since it uses less digits than its factorization.
68849694886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495148 (or 495141 counting only the distinct ones).
The product of its digits is 1146617856, while the sum is 76.
The spelling of 68849694886 in words is "sixty-eight billion, eight hundred forty-nine million, six hundred ninety-four thousand, eight hundred eighty-six".
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