Base | Representation |
---|---|
bin | 111101111010011101… |
… | …010100001010111101 |
3 | 20100121000222211220112 |
4 | 331322131110022331 |
5 | 2042122111431324 |
6 | 50312351555405 |
7 | 4542261205031 |
oct | 757235241275 |
9 | 210530884815 |
10 | 66479014589 |
11 | 26214741679 |
12 | 10a7382bb65 |
13 | 6365b41230 |
14 | 33091541c1 |
15 | 1ae145ac0e |
hex | f7a7542bd |
66479014589 has 8 divisors (see below), whose sum is σ = 72455349792. Its totient is φ = 60625902960.
The previous prime is 66479014517. The next prime is 66479014639. The reversal of 66479014589 is 98541097466.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 66479014589 - 28 = 66479014333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66472014589) 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, 30804767 + ... + 30806924.
It is an arithmetic number, because the mean of its divisors is an integer number (9056918724).
Almost surely, 266479014589 is an apocalyptic number.
It is an amenable number.
66479014589 is a deficient number, since it is larger than the sum of its proper divisors (5976335203).
66479014589 is a wasteful number, since it uses less digits than its factorization.
66479014589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61611787.
The product of its (nonzero) digits is 13063680, while the sum is 59.
The spelling of 66479014589 in words is "sixty-six billion, four hundred seventy-nine million, fourteen thousand, five hundred eighty-nine".
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