Base | Representation |
---|---|
bin | 11000100101100100… |
… | …11000110010101011 |
3 | 1021001221022120202222 |
4 | 30102302120302223 |
5 | 204013211204043 |
6 | 10021455544255 |
7 | 645053001041 |
oct | 142262306253 |
9 | 37057276688 |
10 | 13200100523 |
11 | 5664126995 |
12 | 268482b08b |
13 | 132499298c |
14 | 8d3176391 |
15 | 523ccad68 |
hex | 312c98cab |
13200100523 has 4 divisors (see below), whose sum is σ = 13205116488. Its totient is φ = 13195084560.
The previous prime is 13200100513. The next prime is 13200100547. The reversal of 13200100523 is 32500100231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32500100231 = 57269 ⋅567499.
It is a cyclic number.
It is not a de Polignac number, because 13200100523 - 232 = 8905133227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13200100513) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504033 + ... + 2509298.
It is an arithmetic number, because the mean of its divisors is an integer number (3301279122).
Almost surely, 213200100523 is an apocalyptic number.
13200100523 is a deficient number, since it is larger than the sum of its proper divisors (5015965).
13200100523 is an equidigital number, since it uses as much as digits as its factorization.
13200100523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5015964.
The product of its (nonzero) digits is 180, while the sum is 17.
Adding to 13200100523 its reverse (32500100231), we get a palindrome (45700200754).
The spelling of 13200100523 in words is "thirteen billion, two hundred million, one hundred thousand, five hundred twenty-three".
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