Base | Representation |
---|---|
bin | 1100010010111011100… |
… | …1000011000100010101 |
3 | 202012020200112010210110 |
4 | 3010232321003010111 |
5 | 11430104431313323 |
6 | 241013052313233 |
7 | 21155504155065 |
oct | 3045671030425 |
9 | 665220463713 |
10 | 211240104213 |
11 | 8164a593926 |
12 | 34b33a72819 |
13 | 16bc5c02c08 |
14 | a31cc133a5 |
15 | 5765140793 |
hex | 312ee43115 |
211240104213 has 16 divisors (see below), whose sum is σ = 284841446400. Its totient is φ = 139233008640.
The previous prime is 211240104197. The next prime is 211240104223. The reversal of 211240104213 is 312401042112.
It is not a de Polignac number, because 211240104213 - 24 = 211240104197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 211240104213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211240104223) 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, 4332933 + ... + 4381413.
It is an arithmetic number, because the mean of its divisors is an integer number (17802590400).
Almost surely, 2211240104213 is an apocalyptic number.
It is an amenable number.
211240104213 is a deficient number, since it is larger than the sum of its proper divisors (73601342187).
211240104213 is a wasteful number, since it uses less digits than its factorization.
211240104213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64892.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 211240104213 its reverse (312401042112), we get a palindrome (523641146325).
The spelling of 211240104213 in words is "two hundred eleven billion, two hundred forty million, one hundred four thousand, two hundred thirteen".
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