Base | Representation |
---|---|
bin | 10011110011000110010… |
… | …01001010101001010000 |
3 | 2102000220001121002100120 |
4 | 21321203021022221100 |
5 | 42121142123230143 |
6 | 1240302203550240 |
7 | 100101452060442 |
oct | 11714311125120 |
9 | 2360801532316 |
10 | 680268180048 |
11 | 242555720286 |
12 | aba1052b380 |
13 | 4c1c24cb932 |
14 | 24cd48ac492 |
15 | 12a66b62383 |
hex | 9e6324aa50 |
680268180048 has 40 divisors (see below), whose sum is σ = 1763083801248. Its totient is φ = 226017436032.
The previous prime is 680268180017. The next prime is 680268180091. The reversal of 680268180048 is 840081862086.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23067111 + ... + 23096582.
Almost surely, 2680268180048 is an apocalyptic number.
It is an amenable number.
680268180048 is an abundant number, since it is smaller than the sum of its proper divisors (1082815621200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680268180048 is a wasteful number, since it uses less digits than its factorization.
680268180048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46164011 (or 46164005 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 51.
The spelling of 680268180048 in words is "six hundred eighty billion, two hundred sixty-eight million, one hundred eighty thousand, forty-eight".
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