Base | Representation |
---|---|
bin | 10011011100010011101… |
… | …10001010100000001110 |
3 | 2100212022100012122021110 |
4 | 21232021312022200032 |
5 | 41421112321431040 |
6 | 1230520121112450 |
7 | 66156320323506 |
oct | 11561166124016 |
9 | 2325270178243 |
10 | 668032608270 |
11 | 238346aa0095 |
12 | a9576928726 |
13 | 4acc2606a31 |
14 | 2449388ca06 |
15 | 1259c8ac980 |
hex | 9b89d8a80e |
668032608270 has 32 divisors (see below), whose sum is σ = 1603339813152. Its totient is φ = 178135189632.
The previous prime is 668032608239. The next prime is 668032608289. The reversal of 668032608270 is 72806230866.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392784 + ... + 1220796.
It is an arithmetic number, because the mean of its divisors is an integer number (50104369161).
Almost surely, 2668032608270 is an apocalyptic number.
668032608270 is an abundant number, since it is smaller than the sum of its proper divisors (935307204882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
668032608270 is a wasteful number, since it uses less digits than its factorization.
668032608270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854916.
The product of its (nonzero) digits is 1161216, while the sum is 48.
The spelling of 668032608270 in words is "six hundred sixty-eight billion, thirty-two million, six hundred eight thousand, two hundred seventy".
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