Base | Representation |
---|---|
bin | 111101101001101… |
… | …0111100100000100 |
3 | 12100011120120100221 |
4 | 1323103113210010 |
5 | 13214040043240 |
6 | 541134514124 |
7 | 102156305632 |
oct | 17323274404 |
9 | 5304516327 |
10 | 2068674820 |
11 | 971793013 |
12 | 498965944 |
13 | 26c770954 |
14 | 158a54352 |
15 | c192aa4a |
hex | 7b4d7904 |
2068674820 has 24 divisors (see below), whose sum is σ = 4354268184. Its totient is φ = 825555456.
The previous prime is 2068674791. The next prime is 2068674821. The reversal of 2068674820 is 284768602.
It can be written as a sum of positive squares in 4 ways, for example, as 26357956 + 2042316864 = 5134^2 + 45192^2 .
It is not an unprimeable number, because it can be changed into a prime (2068674821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110779 + ... + 128098.
It is an arithmetic number, because the mean of its divisors is an integer number (181427841).
Almost surely, 22068674820 is an apocalyptic number.
2068674820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2068674820 is an abundant number, since it is smaller than the sum of its proper divisors (2285593364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2068674820 is a wasteful number, since it uses less digits than its factorization.
2068674820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239319 (or 239317 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 43.
The square root of 2068674820 is about 45482.6870358382. The cubic root of 2068674820 is about 1274.1798790953.
The spelling of 2068674820 in words is "two billion, sixty-eight million, six hundred seventy-four thousand, eight hundred twenty".
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