Base | Representation |
---|---|
bin | 101000100010010… |
… | …010000001110001 |
3 | 1202101200102000221 |
4 | 220202102001301 |
5 | 2343044403002 |
6 | 151252213041 |
7 | 22565355022 |
oct | 5042220161 |
9 | 1671612027 |
10 | 680075377 |
11 | 319980773 |
12 | 16b90a181 |
13 | aab84387 |
14 | 6646cc49 |
15 | 3ea88c37 |
hex | 28892071 |
680075377 has 4 divisors (see below), whose sum is σ = 680223040. Its totient is φ = 679927716.
The previous prime is 680075369. The next prime is 680075387. The reversal of 680075377 is 773570086.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 680075377 - 23 = 680075369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (680075387) 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, 66693 + ... + 76210.
It is an arithmetic number, because the mean of its divisors is an integer number (170055760).
Almost surely, 2680075377 is an apocalyptic number.
It is an amenable number.
680075377 is a deficient number, since it is larger than the sum of its proper divisors (147663).
680075377 is a wasteful number, since it uses less digits than its factorization.
680075377 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147662.
The product of its (nonzero) digits is 246960, while the sum is 43.
The square root of 680075377 is about 26078.2548687599. The cubic root of 680075377 is about 879.3984253714.
The spelling of 680075377 in words is "six hundred eighty million, seventy-five thousand, three hundred seventy-seven".
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