Base | Representation |
---|---|
bin | 1100010101110001100… |
… | …0011101001000000010 |
3 | 202021012212122010020100 |
4 | 3011130120131020002 |
5 | 11433140321442010 |
6 | 241220514423230 |
7 | 21213432264051 |
oct | 3053430351002 |
9 | 667185563210 |
10 | 212003312130 |
11 | 81a01385275 |
12 | 35107591b16 |
13 | 16cb807342c |
14 | a392322398 |
15 | 57ac14b2c0 |
hex | 315c61d202 |
212003312130 has 48 divisors (see below), whose sum is σ = 575174208960. Its totient is φ = 54076206624.
The previous prime is 212003312119. The next prime is 212003312141. The reversal of 212003312130 is 31213300212.
212003312130 is a `hidden beast` number, since 2 + 1 + 200 + 331 + 2 + 130 = 666.
It is an interprime number because it is at equal distance from previous prime (212003312119) and next prime (212003312141).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51206460 + ... + 51210599.
It is an arithmetic number, because the mean of its divisors is an integer number (11982796020).
Almost surely, 2212003312130 is an apocalyptic number.
212003312130 is an abundant number, since it is smaller than the sum of its proper divisors (363170896830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212003312130 is a wasteful number, since it uses less digits than its factorization.
212003312130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102417095 (or 102417092 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 212003312130 its reverse (31213300212), we get a palindrome (243216612342).
The spelling of 212003312130 in words is "two hundred twelve billion, three million, three hundred twelve thousand, one hundred thirty".
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