Base | Representation |
---|---|
bin | 11000010000100110… |
… | …11000011011010010 |
3 | 1020121200022221011200 |
4 | 30020103120123102 |
5 | 203133143403102 |
6 | 5552213452030 |
7 | 640515606513 |
oct | 141023303322 |
9 | 36550287150 |
10 | 13024200402 |
11 | 5583904594 |
12 | 2635941016 |
13 | 12c73c5c75 |
14 | 8b7a68a0a |
15 | 51363251c |
hex | 3084d86d2 |
13024200402 has 24 divisors (see below), whose sum is σ = 28681711500. Its totient is φ = 4270229280.
The previous prime is 13024200401. The next prime is 13024200439. The reversal of 13024200402 is 20400242031.
It can be written as a sum of positive squares in 2 ways, for example, as 10745188281 + 2279012121 = 103659^2 + 47739^2 .
It is a super-2 number, since 2×130242004022 (a number of 21 digits) contains 22 as substring.
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 (13024200401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5929777 + ... + 5931972.
Almost surely, 213024200402 is an apocalyptic number.
13024200402 is an abundant number, since it is smaller than the sum of its proper divisors (15657511098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13024200402 is a wasteful number, since it uses less digits than its factorization.
13024200402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11861818 (or 11861815 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 13024200402 its reverse (20400242031), we get a palindrome (33424442433).
The spelling of 13024200402 in words is "thirteen billion, twenty-four million, two hundred thousand, four hundred two".
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