Base | Representation |
---|---|
bin | 110010111010011111… |
… | …101110011111110101 |
3 | 12020002221101212100122 |
4 | 302322133232133311 |
5 | 1343430113033040 |
6 | 41040411221325 |
7 | 3643510316663 |
oct | 627237563765 |
9 | 166087355318 |
10 | 54668486645 |
11 | 21203a32183 |
12 | a718447845 |
13 | 5203018a66 |
14 | 2908777c33 |
15 | 164e6651b5 |
hex | cba7ee7f5 |
54668486645 has 16 divisors (see below), whose sum is σ = 66266065008. Its totient is φ = 43292390400.
The previous prime is 54668486623. The next prime is 54668486659.
54668486645 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 8 ways, for example, as 702409009 + 53966077636 = 26503^2 + 232306^2 .
It is not a de Polignac number, because 54668486645 - 220 = 54667438069 is a prime.
It is a Duffinian 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, 3181517 + ... + 3198653.
It is an arithmetic number, because the mean of its divisors is an integer number (4141629063).
Almost surely, 254668486645 is an apocalyptic number.
It is an amenable number.
54668486645 is a deficient number, since it is larger than the sum of its proper divisors (11597578363).
54668486645 is a wasteful number, since it uses less digits than its factorization.
54668486645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23560.
The product of its digits is 132710400, while the sum is 62.
The spelling of 54668486645 in words is "fifty-four billion, six hundred sixty-eight million, four hundred eighty-six thousand, six hundred forty-five".
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