Base | Representation |
---|---|
bin | 11001010001011… |
… | …10010011010010 |
3 | 112202220211002000 |
4 | 30220232103102 |
5 | 413233031002 |
6 | 33011534430 |
7 | 5152662432 |
oct | 1450562322 |
9 | 482824060 |
10 | 212002002 |
11 | a9740273 |
12 | 5abba416 |
13 | 34bca194 |
14 | 202282c2 |
15 | 1392a61c |
hex | ca2e4d2 |
212002002 has 32 divisors (see below), whose sum is σ = 498830400. Its totient is φ = 66510144.
The previous prime is 212001983. The next prime is 212002027. The reversal of 212002002 is 200200212.
It is a Harshad number since it is a multiple of its sum of digits (9).
212002002 is a modest number, since divided by 2002 gives 212 as remainder.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114552 + ... + 116387.
It is an arithmetic number, because the mean of its divisors is an integer number (15588450).
Almost surely, 2212002002 is an apocalyptic number.
212002002 is an abundant number, since it is smaller than the sum of its proper divisors (286828398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212002002 is a wasteful number, since it uses less digits than its factorization.
212002002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230967 (or 230961 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 212002002 is about 14560.2885273610. The cubic root of 212002002 is about 596.2750727165.
Adding to 212002002 its reverse (200200212), we get a palindrome (412202214).
The spelling of 212002002 in words is "two hundred twelve million, two thousand, two".
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