Base | Representation |
---|---|
bin | 100100000100010… |
… | …0101101100111010 |
3 | 10010100020002120110 |
4 | 1020020211230322 |
5 | 4434303224010 |
6 | 320031005150 |
7 | 41663424222 |
oct | 11010455472 |
9 | 3110202513 |
10 | 1210211130 |
11 | 571150597 |
12 | 2993697b6 |
13 | 16395b17b |
14 | b6a2b082 |
15 | 713a6120 |
hex | 48225b3a |
1210211130 has 32 divisors (see below), whose sum is σ = 3075361344. Its totient is φ = 303739136.
The previous prime is 1210211039. The next prime is 1210211173. The reversal of 1210211130 is 311120121.
It is a super-3 number, since 3×12102111303 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 1185972 + ... + 1186991.
It is an arithmetic number, because the mean of its divisors is an integer number (96105042).
Almost surely, 21210211130 is an apocalyptic number.
1210211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1210211130 is an abundant number, since it is smaller than the sum of its proper divisors (1865150214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210211130 is a wasteful number, since it uses less digits than its factorization.
1210211130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2372990.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1210211130 is about 34788.0889098553. The cubic root of 1210211130 is about 1065.6642112889.
Adding to 1210211130 its reverse (311120121), we get a palindrome (1521331251).
It can be divided in two parts, 12102 and 11130, that added together give a palindrome (23232).
The spelling of 1210211130 in words is "one billion, two hundred ten million, two hundred eleven thousand, one hundred thirty".
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