Base | Representation |
---|---|
bin | 100100000111101… |
… | …1010111101010010 |
3 | 10010110121002100210 |
4 | 1020033122331102 |
5 | 4440233032010 |
6 | 320133224550 |
7 | 42014563623 |
oct | 11017327522 |
9 | 3113532323 |
10 | 1212002130 |
11 | 572164159 |
12 | 299a92156 |
13 | 164137431 |
14 | b6d75a4a |
15 | 7160bb20 |
hex | 483daf52 |
1212002130 has 16 divisors (see below), whose sum is σ = 2908805184. Its totient is φ = 323200560.
The previous prime is 1212002117. The next prime is 1212002149. The reversal of 1212002130 is 312002121.
1212002130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20200006 + ... + 20200065.
It is an arithmetic number, because the mean of its divisors is an integer number (181800324).
Almost surely, 21212002130 is an apocalyptic number.
1212002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212002130 is an abundant number, since it is smaller than the sum of its proper divisors (1696803054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212002130 is a wasteful number, since it uses less digits than its factorization.
1212002130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40400081.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1212002130 is about 34813.8209623707. The cubic root of 1212002130 is about 1066.1896468402.
Adding to 1212002130 its reverse (312002121), we get a palindrome (1524004251).
Subtracting from 1212002130 its reverse (312002121), we obtain a palindrome (900000009).
The spelling of 1212002130 in words is "one billion, two hundred twelve million, two thousand, one hundred thirty".
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