Base | Representation |
---|---|
bin | 10011110010101110110… |
… | …00011110101100110100 |
3 | 2102000101022022120210012 |
4 | 21321113120132230310 |
5 | 42120241120232024 |
6 | 1240230434515352 |
7 | 100063534666121 |
oct | 11712730365464 |
9 | 2360338276705 |
10 | 680070867764 |
11 | 242464303682 |
12 | ab976435b58 |
13 | 4c190675ac2 |
14 | 24cb65c9748 |
15 | 12a5468950e |
hex | 9e5761eb34 |
680070867764 has 12 divisors (see below), whose sum is σ = 1260131313924. Its totient is φ = 320033349504.
The previous prime is 680070867727. The next prime is 680070867767. The reversal of 680070867764 is 467768070086.
It can be written as a sum of positive squares in 2 ways, for example, as 631560805264 + 48510062500 = 794708^2 + 220250^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680070867767) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000521019 + ... + 5000521154.
It is an arithmetic number, because the mean of its divisors is an integer number (105010942827).
Almost surely, 2680070867764 is an apocalyptic number.
It is an amenable number.
680070867764 is a deficient number, since it is larger than the sum of its proper divisors (580060446160).
680070867764 is a wasteful number, since it uses less digits than its factorization.
680070867764 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10001042194 (or 10001042192 counting only the distinct ones).
The product of its (nonzero) digits is 18966528, while the sum is 59.
The spelling of 680070867764 in words is "six hundred eighty billion, seventy million, eight hundred sixty-seven thousand, seven hundred sixty-four".
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