Base | Representation |
---|---|
bin | 11001001101000010… |
… | …01111101101101011 |
3 | 1021221000020200221120 |
4 | 30212201033231223 |
5 | 210202433314321 |
6 | 10114403310323 |
7 | 656212613304 |
oct | 144641175553 |
9 | 37830220846 |
10 | 13531151211 |
11 | 5813a891a6 |
12 | 275767b3a3 |
13 | 1378442a66 |
14 | 92510d7ab |
15 | 542dbeec6 |
hex | 32684fb6b |
13531151211 has 16 divisors (see below), whose sum is σ = 18388465920. Its totient is φ = 8848127520.
The previous prime is 13531151197. The next prime is 13531151233. The reversal of 13531151211 is 11215113531.
It is not a de Polignac number, because 13531151211 - 26 = 13531151147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13531151251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37285 + ... + 168678.
It is an arithmetic number, because the mean of its divisors is an integer number (1149279120).
Almost surely, 213531151211 is an apocalyptic number.
13531151211 is a deficient number, since it is larger than the sum of its proper divisors (4857314709).
13531151211 is a wasteful number, since it uses less digits than its factorization.
13531151211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206386.
The product of its digits is 450, while the sum is 24.
Adding to 13531151211 its reverse (11215113531), we get a palindrome (24746264742).
The spelling of 13531151211 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-one thousand, two hundred eleven".
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