Base | Representation |
---|---|
bin | 101000100100110… |
… | …101100000101011 |
3 | 1202102221102120220 |
4 | 220210311200223 |
5 | 2343232320003 |
6 | 151314421123 |
7 | 22604144211 |
oct | 5044654053 |
9 | 1672842526 |
10 | 680745003 |
11 | 31a298884 |
12 | 16bb917a3 |
13 | ab05a0c3 |
14 | 665a4cb1 |
15 | 3eb6c353 |
hex | 2893582b |
680745003 has 16 divisors (see below), whose sum is σ = 917410560. Its totient is φ = 448968096.
The previous prime is 680744993. The next prime is 680745029. The reversal of 680745003 is 300547086.
It is not a de Polignac number, because 680745003 - 213 = 680736811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (680745803) 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 15 ways as a sum of consecutive naturals, for example, 288876 + ... + 291222.
It is an arithmetic number, because the mean of its divisors is an integer number (57338160).
Almost surely, 2680745003 is an apocalyptic number.
680745003 is a deficient number, since it is larger than the sum of its proper divisors (236665557).
680745003 is a wasteful number, since it uses less digits than its factorization.
680745003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3346.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 680745003 is about 26091.0904908170. The cubic root of 680745003 is about 879.6869595065.
The spelling of 680745003 in words is "six hundred eighty million, seven hundred forty-five thousand, three".
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