Base | Representation |
---|---|
bin | 1001100001010010… |
… | …1000001010100111 |
3 | 20121002201002122100 |
4 | 2120110220022213 |
5 | 20213204403411 |
6 | 1101330103143 |
7 | 120220524162 |
oct | 23024501247 |
9 | 6532632570 |
10 | 2555544231 |
11 | 10a15a1229 |
12 | 5b3a1aab3 |
13 | 3195a9266 |
14 | 1a358cad9 |
15 | ee54d456 |
hex | 985282a7 |
2555544231 has 24 divisors (see below), whose sum is σ = 3855393360. Its totient is φ = 1629542016.
The previous prime is 2555544221. The next prime is 2555544239. The reversal of 2555544231 is 1324455552.
It is not a de Polignac number, because 2555544231 - 230 = 1481802407 is a prime.
It is a super-2 number, since 2×25555442312 = 13061612633194762722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2555544239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45390 + ... + 84683.
It is an arithmetic number, because the mean of its divisors is an integer number (160641390).
Almost surely, 22555544231 is an apocalyptic number.
2555544231 is a deficient number, since it is larger than the sum of its proper divisors (1299849129).
2555544231 is a wasteful number, since it uses less digits than its factorization.
2555544231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130175 (or 130172 counting only the distinct ones).
The product of its digits is 120000, while the sum is 36.
The square root of 2555544231 is about 50552.3909523575. The cubic root of 2555544231 is about 1367.1866237350.
Adding to 2555544231 its reverse (1324455552), we get a palindrome (3879999783).
The spelling of 2555544231 in words is "two billion, five hundred fifty-five million, five hundred forty-four thousand, two hundred thirty-one".
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