Base | Representation |
---|---|
bin | 111011100111100… |
… | …000011011110010 |
3 | 2120201002001012200 |
4 | 323213200123302 |
5 | 4022023242320 |
6 | 243130004030 |
7 | 33533443404 |
oct | 7347403362 |
9 | 2521061180 |
10 | 1000212210 |
11 | 473659268 |
12 | 23ab76616 |
13 | 12c2b295a |
14 | 96ba4b74 |
15 | 5cc24290 |
hex | 3b9e06f2 |
1000212210 has 48 divisors (see below), whose sum is σ = 2684448000. Its totient is φ = 258118560.
The previous prime is 1000212197. The next prime is 1000212211. The reversal of 1000212210 is 122120001.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1000212192 and 1000212201.
It is not an unprimeable number, because it can be changed into a prime (1000212211) 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 23 ways as a sum of consecutive naturals, for example, 176460 + ... + 182039.
It is an arithmetic number, because the mean of its divisors is an integer number (55926000).
Almost surely, 21000212210 is an apocalyptic number.
1000212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1000212210 is an abundant number, since it is smaller than the sum of its proper divisors (1684235790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1000212210 is a wasteful number, since it uses less digits than its factorization.
1000212210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358543 (or 358540 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1000212210 is about 31626.1317584051. The cubic root of 1000212210 is about 1000.0707316636.
Adding to 1000212210 its reverse (122120001), we get a palindrome (1122332211).
The spelling of 1000212210 in words is "one billion, two hundred twelve thousand, two hundred ten".
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