Base | Representation |
---|---|
bin | 11000010000010000… |
… | …11011111100001010 |
3 | 1020121110221011101022 |
4 | 30020020123330022 |
5 | 203131430044320 |
6 | 5552032152442 |
7 | 640452326516 |
oct | 141010337412 |
9 | 36543834338 |
10 | 13021331210 |
11 | 5582224958 |
12 | 2634998722 |
13 | 12c6930014 |
14 | 8b751d146 |
15 | 513267325 |
hex | 30821bf0a |
13021331210 has 16 divisors (see below), whose sum is σ = 23442906600. Its totient is φ = 5207530176.
The previous prime is 13021331177. The next prime is 13021331221. The reversal of 13021331210 is 1213312031.
It can be written as a sum of positive squares in 4 ways, for example, as 8658860809 + 4362470401 = 93053^2 + 66049^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69545 + ... + 175724.
Almost surely, 213021331210 is an apocalyptic number.
13021331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13021331210 is a deficient number, since it is larger than the sum of its proper divisors (10421575390).
13021331210 is a wasteful number, since it uses less digits than its factorization.
13021331210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250585.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13021331210 its reverse (1213312031), we get a palindrome (14234643241).
The spelling of 13021331210 in words is "thirteen billion, twenty-one million, three hundred thirty-one thousand, two hundred ten".
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