Base | Representation |
---|---|
bin | 1001100001101000… |
… | …1101101010011111 |
3 | 20121012110111022010 |
4 | 2120122031222133 |
5 | 20214043233133 |
6 | 1101421322303 |
7 | 120236133255 |
oct | 23032155237 |
9 | 6535414263 |
10 | 2557008543 |
11 | 10a2401401 |
12 | 5b4406393 |
13 | 31999c90b |
14 | 1a38505d5 |
15 | ee73c263 |
hex | 9868da9f |
2557008543 has 16 divisors (see below), whose sum is σ = 3685781120. Its totient is φ = 1571304096.
The previous prime is 2557008533. The next prime is 2557008551. The reversal of 2557008543 is 3458007552.
It is not a de Polignac number, because 2557008543 - 24 = 2557008527 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2557008533) 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, 604105 + ... + 608322.
It is an arithmetic number, because the mean of its divisors is an integer number (230361320).
Almost surely, 22557008543 is an apocalyptic number.
2557008543 is a deficient number, since it is larger than the sum of its proper divisors (1128772577).
2557008543 is a wasteful number, since it uses less digits than its factorization.
2557008543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1212486.
The product of its (nonzero) digits is 168000, while the sum is 39.
The square root of 2557008543 is about 50566.8719914531. The cubic root of 2557008543 is about 1367.4477038735.
Subtracting 2557008543 from its reverse (3458007552), we obtain a palindrome (900999009).
The spelling of 2557008543 in words is "two billion, five hundred fifty-seven million, eight thousand, five hundred forty-three".
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