Base | Representation |
---|---|
bin | 11101000111000010100… |
… | …11100101101010101010 |
3 | 10112121201112010112201020 |
4 | 32203201103211222222 |
5 | 112341413334440130 |
6 | 2043254035233310 |
7 | 132156124206045 |
oct | 16434123455252 |
9 | 3477645115636 |
10 | 1000212421290 |
11 | 356207922185 |
12 | 141a21148836 |
13 | 734202b1804 |
14 | 365a673dc5c |
15 | 1b040225e10 |
hex | e8e14e5aaa |
1000212421290 has 32 divisors (see below), whose sum is σ = 2405320488000. Its totient is φ = 266188792704.
The previous prime is 1000212421289. The next prime is 1000212421301. The reversal of 1000212421290 is 921242120001.
1000212421290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 1000212421290.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33392259 + ... + 33422198.
It is an arithmetic number, because the mean of its divisors is an integer number (75166265250).
Almost surely, 21000212421290 is an apocalyptic number.
1000212421290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1000212421290 is an abundant number, since it is smaller than the sum of its proper divisors (1405108066710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1000212421290 is a wasteful number, since it uses less digits than its factorization.
1000212421290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66814966.
The product of its (nonzero) digits is 576, while the sum is 24.
Adding to 1000212421290 its reverse (921242120001), we get a palindrome (1921454541291).
The spelling of 1000212421290 in words is "one trillion, two hundred twelve million, four hundred twenty-one thousand, two hundred ninety".
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