Base | Representation |
---|---|
bin | 1001111001000011… |
… | …0010111100111011 |
3 | 20212001020021221201 |
4 | 2132100302330323 |
5 | 20414213000011 |
6 | 1115250115031 |
7 | 122540566000 |
oct | 23620627473 |
9 | 6761207851 |
10 | 2655203131 |
11 | 114287a459 |
12 | 62127ba77 |
13 | 334130719 |
14 | 1b28d18a7 |
15 | 108186cc1 |
hex | 9e432f3b |
2655203131 has 16 divisors (see below), whose sum is σ = 3105216000. Its totient is φ = 2269443624.
The previous prime is 2655203129. The next prime is 2655203143. The reversal of 2655203131 is 1313025562.
It is not a de Polignac number, because 2655203131 - 21 = 2655203129 is a prime.
It is a super-2 number, since 2×26552031312 = 14100207333744406322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2655203131.
It is not an unprimeable number, because it can be changed into a prime (2655206131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112356 + ... + 133918.
It is an arithmetic number, because the mean of its divisors is an integer number (194076000).
Almost surely, 22655203131 is an apocalyptic number.
2655203131 is a deficient number, since it is larger than the sum of its proper divisors (450012869).
2655203131 is an equidigital number, since it uses as much as digits as its factorization.
2655203131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21943 (or 21929 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 2655203131 is about 51528.6631982628. The cubic root of 2655203131 is about 1384.7326015681.
Adding to 2655203131 its reverse (1313025562), we get a palindrome (3968228693).
The spelling of 2655203131 in words is "two billion, six hundred fifty-five million, two hundred three thousand, one hundred thirty-one".
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