Base | Representation |
---|---|
bin | 101000100010111… |
… | …010111011000010 |
3 | 1202101222220210211 |
4 | 220202322323002 |
5 | 2343120233012 |
6 | 151255544334 |
7 | 22566653254 |
oct | 5042727302 |
9 | 1671886724 |
10 | 680242882 |
11 | 319a85600 |
12 | 16b98b0aa |
13 | aac126a7 |
14 | 664b3cd4 |
15 | 3eabd6a7 |
hex | 288baec2 |
680242882 has 12 divisors (see below), whose sum is σ = 1121557878. Its totient is φ = 309201200.
The previous prime is 680242867. The next prime is 680242907. The reversal of 680242882 is 288242086.
It can be written as a sum of positive squares in only one way, i.e., 422672481 + 257570401 = 20559^2 + 16049^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405219 + ... + 1405702.
Almost surely, 2680242882 is an apocalyptic number.
680242882 is a deficient number, since it is larger than the sum of its proper divisors (441314996).
680242882 is a wasteful number, since it uses less digits than its factorization.
680242882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2810945 (or 2810934 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 40.
The square root of 680242882 is about 26081.4662547948. The cubic root of 680242882 is about 879.4706191046.
The spelling of 680242882 in words is "six hundred eighty million, two hundred forty-two thousand, eight hundred eighty-two".
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