Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11100001000000111 |
3 | 1021221000100021200200 |
4 | 30212201130020013 |
5 | 210202441431210 |
6 | 10114404341543 |
7 | 656213214450 |
oct | 144641341007 |
9 | 37830307620 |
10 | 13531202055 |
11 | 5814013418 |
12 | 27576a48b3 |
13 | 137845cc47 |
14 | 925124127 |
15 | 542dd00c0 |
hex | 32685c207 |
13531202055 has 48 divisors (see below), whose sum is σ = 26817770304. Its totient is φ = 6182668800.
The previous prime is 13531202053. The next prime is 13531202057. The reversal of 13531202055 is 55020213531.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13531202053) and next prime (13531202057).
It is not a de Polignac number, because 13531202055 - 21 = 13531202053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531202053) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 714205 + ... + 732905.
It is an arithmetic number, because the mean of its divisors is an integer number (558703548).
Almost surely, 213531202055 is an apocalyptic number.
13531202055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13531202055 is a deficient number, since it is larger than the sum of its proper divisors (13286568249).
13531202055 is a wasteful number, since it uses less digits than its factorization.
13531202055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21016 (or 21013 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 27.
Adding to 13531202055 its reverse (55020213531), we get a palindrome (68551415586).
The spelling of 13531202055 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, fifty-five".
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