Base | Representation |
---|---|
bin | 1100010110100111101… |
… | …0110011111001101011 |
3 | 202021210200222111120120 |
4 | 3011221322303321223 |
5 | 11434121442001443 |
6 | 241255230254323 |
7 | 21222160552236 |
oct | 3055172637153 |
9 | 667720874516 |
10 | 212230422123 |
11 | 820085a4385 |
12 | 3516b6573a3 |
13 | 17023130145 |
14 | a3b456041d |
15 | 57c205d083 |
hex | 3169eb3e6b |
212230422123 has 48 divisors (see below), whose sum is σ = 301798573440. Its totient is φ = 132293088000.
The previous prime is 212230422121. The next prime is 212230422127. The reversal of 212230422123 is 321224032212.
It is not a de Polignac number, because 212230422123 - 21 = 212230422121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212230422093 and 212230422102.
It is not an unprimeable number, because it can be changed into a prime (212230422121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261689388 + ... + 261690198.
It is an arithmetic number, because the mean of its divisors is an integer number (6287470280).
Almost surely, 2212230422123 is an apocalyptic number.
212230422123 is a deficient number, since it is larger than the sum of its proper divisors (89568151317).
212230422123 is a wasteful number, since it uses less digits than its factorization.
212230422123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1448 (or 1341 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 212230422123 its reverse (321224032212), we get a palindrome (533454454335).
The spelling of 212230422123 in words is "two hundred twelve billion, two hundred thirty million, four hundred twenty-two thousand, one hundred twenty-three".
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