Base | Representation |
---|---|
bin | 1100011010111111100… |
… | …0100000101010000100 |
3 | 202101211111200211020001 |
4 | 3012233320200222010 |
5 | 11444022440133012 |
6 | 242011521051044 |
7 | 21263232655441 |
oct | 3065770405204 |
9 | 671744624201 |
10 | 213404224132 |
11 | 82560137190 |
12 | 35438786a84 |
13 | 1717c381048 |
14 | a4863d09c8 |
15 | 5840121357 |
hex | 31afe20a84 |
213404224132 has 48 divisors (see below), whose sum is σ = 417294662400. Its totient is φ = 94671632160.
The previous prime is 213404224127. The next prime is 213404224139. The reversal of 213404224132 is 231422404312.
It is a self number, because there is not a number n which added to its sum of digits gives 213404224132.
It is not an unprimeable number, because it can be changed into a prime (213404224139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65143 + ... + 656545.
It is an arithmetic number, because the mean of its divisors is an integer number (8693638800).
Almost surely, 2213404224132 is an apocalyptic number.
213404224132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
213404224132 is a deficient number, since it is larger than the sum of its proper divisors (203890438268).
213404224132 is a wasteful number, since it uses less digits than its factorization.
213404224132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 591616 (or 591614 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 213404224132 its reverse (231422404312), we get a palindrome (444826628444).
The spelling of 213404224132 in words is "two hundred thirteen billion, four hundred four million, two hundred twenty-four thousand, one hundred thirty-two".
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