Base | Representation |
---|---|
bin | 1001100001001100… |
… | …0110011111010001 |
3 | 20121001221202211100 |
4 | 2120103012133101 |
5 | 20213104103040 |
6 | 1101313335013 |
7 | 120214236561 |
oct | 23023063721 |
9 | 6531852740 |
10 | 2555144145 |
11 | 10a1348684 |
12 | 5b3867469 |
13 | 319499118 |
14 | 1a34c6da1 |
15 | ee4beb30 |
hex | 984c67d1 |
2555144145 has 24 divisors (see below), whose sum is σ = 4431488256. Its totient is φ = 1361952288.
The previous prime is 2555144131. The next prime is 2555144161. The reversal of 2555144145 is 5414415552.
2555144145 is a `hidden beast` number, since 25 + 551 + 4 + 41 + 45 = 666.
It is not a de Polignac number, because 2555144145 - 213 = 2555135953 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66462 + ... + 97608.
It is an arithmetic number, because the mean of its divisors is an integer number (184645344).
Almost surely, 22555144145 is an apocalyptic number.
It is an amenable number.
2555144145 is a deficient number, since it is larger than the sum of its proper divisors (1876344111).
2555144145 is a wasteful number, since it uses less digits than its factorization.
2555144145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32981 (or 32978 counting only the distinct ones).
The product of its digits is 80000, while the sum is 36.
The square root of 2555144145 is about 50548.4336552578. The cubic root of 2555144145 is about 1367.1152728829.
Adding to 2555144145 its reverse (5414415552), we get a palindrome (7969559697).
It can be divided in two parts, 25551 and 44145, that added together give a palindrome (69696).
The spelling of 2555144145 in words is "two billion, five hundred fifty-five million, one hundred forty-four thousand, one hundred forty-five".
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