Base | Representation |
---|---|
bin | 110010111101101001… |
… | …100111111010001001 |
3 | 12020020121222210022120 |
4 | 302331221213322021 |
5 | 1344032140201440 |
6 | 41045541441453 |
7 | 3645022222326 |
oct | 627551477211 |
9 | 166217883276 |
10 | 54721412745 |
11 | 212308a135a |
12 | a732110289 |
13 | 5210c89c8c |
14 | 29117d3b4d |
15 | 165411bdd0 |
hex | cbda67e89 |
54721412745 has 64 divisors (see below), whose sum is σ = 92755169280. Its totient is φ = 27471495168.
The previous prime is 54721412741. The next prime is 54721412773.
54721412745 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54721412745 - 22 = 54721412741 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 54721412697 and 54721412706.
It is not an unprimeable number, because it can be changed into a prime (54721412741) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41236272 + ... + 41237598.
It is an arithmetic number, because the mean of its divisors is an integer number (1449299520).
Almost surely, 254721412745 is an apocalyptic number.
It is an amenable number.
54721412745 is a deficient number, since it is larger than the sum of its proper divisors (38033756535).
54721412745 is a wasteful number, since it uses less digits than its factorization.
54721412745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2174.
The product of its digits is 313600, while the sum is 42.
The spelling of 54721412745 in words is "fifty-four billion, seven hundred twenty-one million, four hundred twelve thousand, seven hundred forty-five".
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