Base | Representation |
---|---|
bin | 1100011010010110000… |
… | …0010010101010111111 |
3 | 202101101101001120020210 |
4 | 3012211200102222333 |
5 | 11443143401300411 |
6 | 241542341043503 |
7 | 21256016654355 |
oct | 3064540225277 |
9 | 671341046223 |
10 | 213230103231 |
11 | 8248091a612 |
12 | 353aa3b6593 |
13 | 17152288122 |
14 | a46b2277d5 |
15 | 582ebc9ca6 |
hex | 31a5812abf |
213230103231 has 16 divisors (see below), whose sum is σ = 294825649664. Its totient is φ = 136968581664.
The previous prime is 213230103197. The next prime is 213230103253. The reversal of 213230103231 is 132301032312.
213230103231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213230103231 - 26 = 213230103167 is a prime.
It is a super-2 number, since 2×2132301032312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 213230103198 and 213230103207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213230107231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9313771 + ... + 9336636.
It is an arithmetic number, because the mean of its divisors is an integer number (18426603104).
Almost surely, 2213230103231 is an apocalyptic number.
213230103231 is a deficient number, since it is larger than the sum of its proper divisors (81595546433).
213230103231 is a wasteful number, since it uses less digits than its factorization.
213230103231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18650550.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 213230103231 its reverse (132301032312), we get a palindrome (345531135543).
It can be divided in two parts, 2 and 13230103231, that multiplied together give a palindrome (26460206462).
The spelling of 213230103231 in words is "two hundred thirteen billion, two hundred thirty million, one hundred three thousand, two hundred thirty-one".
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