Base | Representation |
---|---|
bin | 10011110100000011101… |
… | …10001101000001011111 |
3 | 2102002012221220000212012 |
4 | 21322001312031001133 |
5 | 42123221011142001 |
6 | 1240425244501435 |
7 | 100120305411056 |
oct | 11720166150137 |
9 | 2362187800765 |
10 | 680783302751 |
11 | 24279a476622 |
12 | abb34b4a87b |
13 | 4c27514a176 |
14 | 24d4307d39d |
15 | 12a96eb62bb |
hex | 9e81d8d05f |
680783302751 has 16 divisors (see below), whose sum is σ = 700520788800. Its totient is φ = 661117298688.
The previous prime is 680783302709. The next prime is 680783302757. The reversal of 680783302751 is 157203387086.
It is a happy number.
680783302751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 680783302751 - 214 = 680783286367 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 680783302751.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680783302757) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56872895 + ... + 56884863.
It is an arithmetic number, because the mean of its divisors is an integer number (43782549300).
Almost surely, 2680783302751 is an apocalyptic number.
680783302751 is a deficient number, since it is larger than the sum of its proper divisors (19737486049).
680783302751 is a wasteful number, since it uses less digits than its factorization.
680783302751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14818.
The product of its (nonzero) digits is 1693440, while the sum is 50.
The spelling of 680783302751 in words is "six hundred eighty billion, seven hundred eighty-three million, three hundred two thousand, seven hundred fifty-one".
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