Base | Representation |
---|---|
bin | 11110111011001011100110… |
… | …11101110001000110010000 |
3 | 22220210010121102222022202221 |
4 | 33131211303131301012100 |
5 | 32403140002010140223 |
6 | 400344402141150424 |
7 | 20216065224545011 |
oct | 1735456335610620 |
9 | 286703542868687 |
10 | 68004154380688 |
11 | 1a739444313009 |
12 | 77637b185b414 |
13 | 2bc39c2067b76 |
14 | 12b15c0a35008 |
15 | 7cde265d5b5d |
hex | 3dd973771190 |
68004154380688 has 10 divisors (see below), whose sum is σ = 131758049112614. Its totient is φ = 34002077190336.
The previous prime is 68004154380683. The next prime is 68004154380761. The reversal of 68004154380688 is 88608345140086.
It can be written as a sum of positive squares in only one way, i.e., 41087689761024 + 26916464619664 = 6409968^2 + 5188108^2 .
It is not an unprimeable number, because it can be changed into a prime (68004154380683) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125129824381 + ... + 2125129824412.
Almost surely, 268004154380688 is an apocalyptic number.
It is an amenable number.
68004154380688 is a deficient number, since it is larger than the sum of its proper divisors (63753894731926).
68004154380688 is a wasteful number, since it uses less digits than its factorization.
68004154380688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4250259648801 (or 4250259648795 counting only the distinct ones).
The product of its (nonzero) digits is 35389440, while the sum is 61.
The spelling of 68004154380688 in words is "sixty-eight trillion, four billion, one hundred fifty-four million, three hundred eighty thousand, six hundred eighty-eight".
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