Base | Representation |
---|---|
bin | 11001010010010… |
… | …00111111011101 |
3 | 112210010101001000 |
4 | 30221020333131 |
5 | 413300030300 |
6 | 33014140513 |
7 | 5153626236 |
oct | 1451107735 |
9 | 483111030 |
10 | 212111325 |
11 | a9805418 |
12 | 5b051739 |
13 | 34c37b7a |
14 | 2025608d |
15 | 1394cc00 |
hex | ca48fdd |
212111325 has 24 divisors (see below), whose sum is σ = 389657600. Its totient is φ = 113125680.
The previous prime is 212111323. The next prime is 212111369. The reversal of 212111325 is 523111212.
It is not a de Polignac number, because 212111325 - 21 = 212111323 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212111298 and 212111307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212111323) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156445 + ... + 157794.
Almost surely, 2212111325 is an apocalyptic number.
212111325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
212111325 is a deficient number, since it is larger than the sum of its proper divisors (177546275).
212111325 is a wasteful number, since it uses less digits than its factorization.
212111325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314258 (or 314247 counting only the distinct ones).
The product of its digits is 120, while the sum is 18.
The square root of 212111325 is about 14564.0421930177. The cubic root of 212111325 is about 596.3775487583.
Adding to 212111325 its reverse (523111212), we get a palindrome (735222537).
The spelling of 212111325 in words is "two hundred twelve million, one hundred eleven thousand, three hundred twenty-five".
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