Base | Representation |
---|---|
bin | 11000100111011110… |
… | …01000011001001100 |
3 | 1021010001021120212120 |
4 | 30103233020121030 |
5 | 204031300233030 |
6 | 10023225132540 |
7 | 645335231424 |
oct | 142357103114 |
9 | 37101246776 |
10 | 13216024140 |
11 | 5672112600 |
12 | 268a02a150 |
13 | 1328079837 |
14 | 8d531d484 |
15 | 5253c4010 |
hex | 313bc864c |
13216024140 has 72 divisors (see below), whose sum is σ = 40674794160. Its totient is φ = 3203882880.
The previous prime is 13216024127. The next prime is 13216024147. The reversal of 13216024140 is 4142061231.
It is a self number, because there is not a number n which added to its sum of digits gives 13216024140.
It is not an unprimeable number, because it can be changed into a prime (13216024147) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902935 + ... + 917454.
Almost surely, 213216024140 is an apocalyptic number.
13216024140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13216024140 is an abundant number, since it is smaller than the sum of its proper divisors (27458770020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13216024140 is a wasteful number, since it uses less digits than its factorization.
13216024140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1820423 (or 1820410 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 13216024140 its reverse (4142061231), we get a palindrome (17358085371).
The spelling of 13216024140 in words is "thirteen billion, two hundred sixteen million, twenty-four thousand, one hundred forty".
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