Base | Representation |
---|---|
bin | 101000100010001… |
… | …110010010100111 |
3 | 1202101122122001001 |
4 | 220202032102213 |
5 | 2343043410241 |
6 | 151252014131 |
7 | 22565262265 |
oct | 5042162247 |
9 | 1671578031 |
10 | 680060071 |
11 | 319970219 |
12 | 16b901347 |
13 | aab7a412 |
14 | 66467435 |
15 | 3ea84431 |
hex | 2888e4a7 |
680060071 has 4 divisors (see below), whose sum is σ = 696646944. Its totient is φ = 663473200.
The previous prime is 680060057. The next prime is 680060077. The reversal of 680060071 is 170060086.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 680060071 - 25 = 680060039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680060077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8293375 + ... + 8293456.
It is an arithmetic number, because the mean of its divisors is an integer number (174161736).
Almost surely, 2680060071 is an apocalyptic number.
680060071 is a deficient number, since it is larger than the sum of its proper divisors (16586873).
680060071 is a wasteful number, since it uses less digits than its factorization.
680060071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16586872.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 680060071 is about 26077.9614042202. The cubic root of 680060071 is about 879.3918279785.
The spelling of 680060071 in words is "six hundred eighty million, sixty thousand, seventy-one".
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