Base | Representation |
---|---|
bin | 110000001101000001010100… |
… | …111001001010010001110010 |
3 | 1000210122002122220012112021200 |
4 | 300031001110321022101302 |
5 | 210241411032030013020 |
6 | 2030515530335232030 |
7 | 62440365442233426 |
oct | 6015012471122162 |
9 | 1023562586175250 |
10 | 212001010001010 |
11 | 6160613a32192a |
12 | 1b93b271378616 |
13 | 913a7bccaaaa9 |
14 | 3a4cc917d4b86 |
15 | 19799759b9590 |
hex | c0d054e4a472 |
212001010001010 has 192 divisors, whose sum is σ = 583794705611520. Its totient is φ = 53228573798400.
The previous prime is 212001010001009. The next prime is 212001010001041. The reversal of 212001010001010 is 10100010100212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 212001010000983 and 212001010001001.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179784835 + ... + 180960185.
It is an arithmetic number, because the mean of its divisors is an integer number (3040597425060).
Almost surely, 2212001010001010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212001010001010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291897352805760).
212001010001010 is an abundant number, since it is smaller than the sum of its proper divisors (371793695610510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212001010001010 is a wasteful number, since it uses less digits than its factorization.
212001010001010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1176033 (or 1176030 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 212001010001010 its reverse (10100010100212), we get a palindrome (222101020101222).
The spelling of 212001010001010 in words is "two hundred twelve trillion, one billion, ten million, one thousand, ten".
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