Base | Representation |
---|---|
bin | 111110001010000010… |
… | …010011101001110101 |
3 | 20101021020210002011221 |
4 | 332022002103221311 |
5 | 2043141013320122 |
6 | 50354325430341 |
7 | 4551613533205 |
oct | 761202235165 |
9 | 211236702157 |
10 | 66740370037 |
11 | 26339220910 |
12 | 10b2726b3b1 |
13 | 63a802b423 |
14 | 3331b48405 |
15 | 1b093846c7 |
hex | f8a093a75 |
66740370037 has 8 divisors (see below), whose sum is σ = 75973227840. Its totient is φ = 58035104160.
The previous prime is 66740369951. The next prime is 66740370041. The reversal of 66740370037 is 73007304766.
66740370037 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.
It is not a de Polignac number, because 66740370037 - 215 = 66740337269 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 66740369975 and 66740370002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66740370077) 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, 131897712 + ... + 131898217.
It is an arithmetic number, because the mean of its divisors is an integer number (9496653480).
Almost surely, 266740370037 is an apocalyptic number.
It is an amenable number.
66740370037 is a deficient number, since it is larger than the sum of its proper divisors (9232857803).
66740370037 is a wasteful number, since it uses less digits than its factorization.
66740370037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263795963.
The product of its (nonzero) digits is 444528, while the sum is 43.
The spelling of 66740370037 in words is "sixty-six billion, seven hundred forty million, three hundred seventy thousand, thirty-seven".
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