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2555544231 = 323759130073
BaseRepresentation
bin1001100001010010…
…1000001010100111
320121002201002122100
42120110220022213
520213204403411
61101330103143
7120220524162
oct23024501247
96532632570
102555544231
1110a15a1229
125b3a1aab3
133195a9266
141a358cad9
15ee54d456
hex985282a7

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".

Divisors: 1 3 9 37 59 111 177 333 531 2183 6549 19647 130073 390219 1170657 4812701 7674307 14438103 23022921 43314309 69068763 283949359 851848077 2555544231