Base | Representation |
---|---|
bin | 11001001100111100… |
… | …00111011101111101 |
3 | 1021220221201000211120 |
4 | 30212132013131331 |
5 | 210202231043010 |
6 | 10114333541153 |
7 | 656202626112 |
oct | 144636073575 |
9 | 37827630746 |
10 | 13530331005 |
11 | 5813578a44 |
12 | 27573447b9 |
13 | 1378216629 |
14 | 924d78909 |
15 | 542cabe70 |
hex | 32678777d |
13530331005 has 32 divisors (see below), whose sum is σ = 22061445120. Its totient is φ = 7079162880.
The previous prime is 13530330997. The next prime is 13530331039. The reversal of 13530331005 is 50013303531.
It is not a de Polignac number, because 13530331005 - 23 = 13530330997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331141 + ... + 369749.
It is an arithmetic number, because the mean of its divisors is an integer number (689420160).
Almost surely, 213530331005 is an apocalyptic number.
13530331005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13530331005 is a deficient number, since it is larger than the sum of its proper divisors (8531114115).
13530331005 is a wasteful number, since it uses less digits than its factorization.
13530331005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39061.
The product of its (nonzero) digits is 2025, while the sum is 24.
Adding to 13530331005 its reverse (50013303531), we get a palindrome (63543634536).
The spelling of 13530331005 in words is "thirteen billion, five hundred thirty million, three hundred thirty-one thousand, five".
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