Base | Representation |
---|---|
bin | 1100110000010111010011… |
… | …00111010010001111100101 |
3 | 10200022120002121201200000002 |
4 | 12120023221213102033211 |
5 | 12134033003243120144 |
6 | 135354003500231045 |
7 | 5623356350423042 |
oct | 630135147221745 |
9 | 120276077650002 |
10 | 28050055832549 |
11 | 8a34a64288123 |
12 | 3190356b3b485 |
13 | 1286155395a0a |
14 | 6cd8b68021c9 |
15 | 3399a651e14e |
hex | 1982e99d23e5 |
28050055832549 has 4 divisors (see below), whose sum is σ = 28069387368000. Its totient is φ = 28030724297100.
The previous prime is 28050055832543. The next prime is 28050055832567. The reversal of 28050055832549 is 94523855005082.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28050055832549 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28050055832494 and 28050055832503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28050055832543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9665765549 + ... + 9665768450.
It is an arithmetic number, because the mean of its divisors is an integer number (7017346842000).
Almost surely, 228050055832549 is an apocalyptic number.
It is an amenable number.
28050055832549 is a deficient number, since it is larger than the sum of its proper divisors (19331535451).
28050055832549 is a wasteful number, since it uses less digits than its factorization.
28050055832549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19331535450.
The product of its (nonzero) digits is 17280000, while the sum is 56.
The spelling of 28050055832549 in words is "twenty-eight trillion, fifty billion, fifty-five million, eight hundred thirty-two thousand, five hundred forty-nine".
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