Base | Representation |
---|---|
bin | 11000011110111001… |
… | …10000110101101010 |
3 | 1020221000221110210000 |
4 | 30033130300311222 |
5 | 203404342201302 |
6 | 10012135403430 |
7 | 643503002562 |
oct | 141734606552 |
9 | 36830843700 |
10 | 13144100202 |
11 | 5635558032 |
12 | 2669b23576 |
13 | 13161b63ac |
14 | 8c9959da2 |
15 | 51de1831c |
hex | 30f730d6a |
13144100202 has 40 divisors (see below), whose sum is σ = 29491100100. Its totient is φ = 4375627776.
The previous prime is 13144100159. The next prime is 13144100209. The reversal of 13144100202 is 20200144131.
It can be written as a sum of positive squares in 2 ways, for example, as 13128347241 + 15752961 = 114579^2 + 3969^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13144100209) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71824 + ... + 177332.
Almost surely, 213144100202 is an apocalyptic number.
13144100202 is an abundant number, since it is smaller than the sum of its proper divisors (16346999898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13144100202 is a wasteful number, since it uses less digits than its factorization.
13144100202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106292 (or 106283 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 13144100202 its reverse (20200144131), we get a palindrome (33344244333).
The spelling of 13144100202 in words is "thirteen billion, one hundred forty-four million, one hundred thousand, two hundred two".
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