Base | Representation |
---|---|
bin | 111101100110111110… |
… | …000010111111010001 |
3 | 20022202020202100200200 |
4 | 331212332002333101 |
5 | 2040434411110031 |
6 | 50220112005413 |
7 | 4531211103255 |
oct | 754676027721 |
9 | 208666670620 |
10 | 66152050641 |
11 | 26067120836 |
12 | 109a2230869 |
13 | 6313192341 |
14 | 32b7962265 |
15 | 1ac28c28e6 |
hex | f66f82fd1 |
66152050641 has 12 divisors (see below), whose sum is σ = 95981453568. Its totient is φ = 43903601784.
The previous prime is 66152050639. The next prime is 66152050673. The reversal of 66152050641 is 14605025166.
66152050641 is a `hidden beast` number, since 6 + 6 + 1 + 5 + 2 + 0 + 5 + 0 + 641 = 666.
It is not a de Polignac number, because 66152050641 - 21 = 66152050639 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 66152050596 and 66152050605.
It is not an unprimeable number, because it can be changed into a prime (66152050621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16478325 + ... + 16482338.
It is an arithmetic number, because the mean of its divisors is an integer number (7998454464).
Almost surely, 266152050641 is an apocalyptic number.
It is an amenable number.
66152050641 is a deficient number, since it is larger than the sum of its proper divisors (29829402927).
66152050641 is a wasteful number, since it uses less digits than its factorization.
66152050641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32960892 (or 32960889 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The spelling of 66152050641 in words is "sixty-six billion, one hundred fifty-two million, fifty thousand, six hundred forty-one".
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