Base | Representation |
---|---|
bin | 111101011101110… |
… | …000110001001110 |
3 | 2122212102000002010 |
4 | 331131300301032 |
5 | 4102442241420 |
6 | 250154242050 |
7 | 34361105205 |
oct | 7535606116 |
9 | 2585360063 |
10 | 1031212110 |
11 | 48a101a15 |
12 | 249426326 |
13 | 135847aa6 |
14 | 9ad5423c |
15 | 607e94e0 |
hex | 3d770c4e |
1031212110 has 32 divisors (see below), whose sum is σ = 2490684192. Its totient is φ = 273237120.
The previous prime is 1031212067. The next prime is 1031212139. The reversal of 1031212110 is 112121301.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 104761 + ... + 114180.
It is an arithmetic number, because the mean of its divisors is an integer number (77833881).
Almost surely, 21031212110 is an apocalyptic number.
1031212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031212110 is an abundant number, since it is smaller than the sum of its proper divisors (1459472082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031212110 is a wasteful number, since it uses less digits than its factorization.
1031212110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219108.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1031212110 is about 32112.4914947439. The cubic root of 1031212110 is about 1010.2976314618.
Adding to 1031212110 its reverse (112121301), we get a palindrome (1143333411).
It can be divided in two parts, 10312 and 12110, that added together give a palindrome (22422).
The spelling of 1031212110 in words is "one billion, thirty-one million, two hundred twelve thousand, one hundred ten".
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