Base | Representation |
---|---|
bin | 10011110010100111010… |
… | …11010010000010011111 |
3 | 2102000012222022111212122 |
4 | 21321103223102002133 |
5 | 42120124211002100 |
6 | 1240220334053155 |
7 | 100062151322264 |
oct | 11712353220237 |
9 | 2360188274778 |
10 | 680008687775 |
11 | 2424321a395a |
12 | ab95964a1bb |
13 | 4c180814801 |
14 | 24cac24126b |
15 | 12a4dea5985 |
hex | 9e53ad209f |
680008687775 has 12 divisors (see below), whose sum is σ = 843690196800. Its totient is φ = 543697644480.
The previous prime is 680008687759. The next prime is 680008687777. The reversal of 680008687775 is 577786800086.
It is not a de Polignac number, because 680008687775 - 24 = 680008687759 is a prime.
It is a super-3 number, since 3×6800086877753 (a number of 36 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680008687777) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7687790 + ... + 7775739.
It is an arithmetic number, because the mean of its divisors is an integer number (70307516400).
Almost surely, 2680008687775 is an apocalyptic number.
680008687775 is a deficient number, since it is larger than the sum of its proper divisors (163681509025).
680008687775 is a wasteful number, since it uses less digits than its factorization.
680008687775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15465298 (or 15465293 counting only the distinct ones).
The product of its (nonzero) digits is 31610880, while the sum is 62.
The spelling of 680008687775 in words is "six hundred eighty billion, eight million, six hundred eighty-seven thousand, seven hundred seventy-five".
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