Base | Representation |
---|---|
bin | 111110001010000000… |
… | …111001011111100100 |
3 | 20101021020002022121021 |
4 | 332022000321133210 |
5 | 2043140420010430 |
6 | 50354313500524 |
7 | 4551610434430 |
oct | 761200713744 |
9 | 211236068537 |
10 | 66740000740 |
11 | 26338a99406 |
12 | 10b27111744 |
13 | 63a7c2c2ca |
14 | 3331a8d9c0 |
15 | 1b0931007a |
hex | f8a0397e4 |
66740000740 has 24 divisors (see below), whose sum is σ = 160176002112. Its totient is φ = 22882285920.
The previous prime is 66740000707. The next prime is 66740000779. The reversal of 66740000740 is 4700004766.
66740000740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 66740000696 and 66740000705.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238357006 + ... + 238357285.
It is an arithmetic number, because the mean of its divisors is an integer number (6674000088).
Almost surely, 266740000740 is an apocalyptic number.
It is an amenable number.
66740000740 is an abundant number, since it is smaller than the sum of its proper divisors (93436001372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66740000740 is a wasteful number, since it uses less digits than its factorization.
66740000740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476714307 (or 476714305 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 34.
The spelling of 66740000740 in words is "sixty-six billion, seven hundred forty million, seven hundred forty", and thus it is an aban number.
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