Base | Representation |
---|---|
bin | 100100001000000… |
… | …1110001100101010 |
3 | 10010110222202021010 |
4 | 1020100032030222 |
5 | 4440311241020 |
6 | 320141524350 |
7 | 42016426542 |
oct | 11020161452 |
9 | 3113882233 |
10 | 1212212010 |
11 | 572297909 |
12 | 299b736b6 |
13 | 1641abb19 |
14 | b6dcc322 |
15 | 7164dde0 |
hex | 4840e32a |
1212212010 has 64 divisors (see below), whose sum is σ = 3044708352. Its totient is φ = 308294976.
The previous prime is 1212211991. The next prime is 1212212059. The reversal of 1212212010 is 102122121.
1212212010 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250837 + ... + 255623.
It is an arithmetic number, because the mean of its divisors is an integer number (47573568).
Almost surely, 21212212010 is an apocalyptic number.
1212212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1212212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522354176).
1212212010 is an abundant number, since it is smaller than the sum of its proper divisors (1832496342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212212010 is a wasteful number, since it uses less digits than its factorization.
1212212010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5187.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 1212212010 is about 34816.8351519778. The cubic root of 1212212010 is about 1066.2511866021.
Adding to 1212212010 its reverse (102122121), we get a palindrome (1314334131).
The spelling of 1212212010 in words is "one billion, two hundred twelve million, two hundred twelve thousand, ten".
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