Base | Representation |
---|---|
bin | 110010110011101011… |
… | …100000001000011101 |
3 | 12012210222020002200020 |
4 | 302303223200020131 |
5 | 1343211324224041 |
6 | 41021204222353 |
7 | 3640621323333 |
oct | 626353401035 |
9 | 165728202606 |
10 | 54554133021 |
11 | 21155427653 |
12 | a6a609a9b9 |
13 | 51b541abab |
14 | 28d74cbb53 |
15 | 16445c7866 |
hex | cb3ae021d |
54554133021 has 16 divisors (see below), whose sum is σ = 79896215040. Its totient is φ = 32957187120.
The previous prime is 54554133019. The next prime is 54554133083. The reversal of 54554133021 is 12033145545.
It is not a de Polignac number, because 54554133021 - 21 = 54554133019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54554133091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20804995 + ... + 20807616.
It is an arithmetic number, because the mean of its divisors is an integer number (4993513440).
Almost surely, 254554133021 is an apocalyptic number.
It is an amenable number.
54554133021 is a deficient number, since it is larger than the sum of its proper divisors (25342082019).
54554133021 is a wasteful number, since it uses less digits than its factorization.
54554133021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41612656.
The product of its (nonzero) digits is 36000, while the sum is 33.
Adding to 54554133021 its reverse (12033145545), we get a palindrome (66587278566).
The spelling of 54554133021 in words is "fifty-four billion, five hundred fifty-four million, one hundred thirty-three thousand, twenty-one".
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