Base | Representation |
---|---|
bin | 111100110011101001… |
… | …010010001001010110 |
3 | 20020112020110220200110 |
4 | 330303221102021112 |
5 | 2032203442012221 |
6 | 45554432023450 |
7 | 4500654041205 |
oct | 746351221126 |
9 | 206466426613 |
10 | 65290969686 |
11 | 25765060988 |
12 | 107a1991b86 |
13 | 6206974497 |
14 | 323545723c |
15 | 1a71ed2776 |
hex | f33a52256 |
65290969686 has 8 divisors (see below), whose sum is σ = 130581939384. Its totient is φ = 21763656560.
The previous prime is 65290969673. The next prime is 65290969727. The reversal of 65290969686 is 68696909256.
65290969686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
65290969686 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440914135 + ... + 5440914146.
It is an arithmetic number, because the mean of its divisors is an integer number (16322742423).
Almost surely, 265290969686 is an apocalyptic number.
65290969686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65290969686 is a wasteful number, since it uses less digits than its factorization.
65290969686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10881828286.
The product of its (nonzero) digits is 75582720, while the sum is 66.
The spelling of 65290969686 in words is "sixty-five billion, two hundred ninety million, nine hundred sixty-nine thousand, six hundred eighty-six".
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