Base | Representation |
---|---|
bin | 11001001100000101… |
… | …10001011111100001 |
3 | 1021220110012212022210 |
4 | 30212002301133201 |
5 | 210143412204410 |
6 | 10113520152333 |
7 | 656054663334 |
oct | 144602613741 |
9 | 37813185283 |
10 | 13523163105 |
11 | 580a522661 |
12 | 2754a686a9 |
13 | 13768a6b7a |
14 | 92403061b |
15 | 542343220 |
hex | 3260b17e1 |
13523163105 has 16 divisors (see below), whose sum is σ = 21670211520. Its totient is φ = 7201303488.
The previous prime is 13523163103. The next prime is 13523163109. The reversal of 13523163105 is 50136132531.
It is not a de Polignac number, because 13523163105 - 21 = 13523163103 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13523163103) 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, 680515 + ... + 700104.
It is an arithmetic number, because the mean of its divisors is an integer number (1354388220).
Almost surely, 213523163105 is an apocalyptic number.
13523163105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13523163105 is a deficient number, since it is larger than the sum of its proper divisors (8147048415).
13523163105 is a wasteful number, since it uses less digits than its factorization.
13523163105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1381280.
The product of its (nonzero) digits is 8100, while the sum is 30.
Adding to 13523163105 its reverse (50136132531), we get a palindrome (63659295636).
The spelling of 13523163105 in words is "thirteen billion, five hundred twenty-three million, one hundred sixty-three thousand, one hundred five".
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