Base | Representation |
---|---|
bin | 100011100011010110000… |
… | …010011111011001000100 |
3 | 22122120011002122020010101 |
4 | 203203112002133121010 |
5 | 310012013343314340 |
6 | 5110205354133444 |
7 | 341340045523660 |
oct | 43432602373104 |
9 | 8576132566111 |
10 | 2443132401220 |
11 | 862143603665 |
12 | 3355b4121284 |
13 | 149503bb5bc4 |
14 | 8636924d8a0 |
15 | 438413a6c9a |
hex | 238d609f644 |
2443132401220 has 384 divisors, whose sum is σ = 6516929986560. Its totient is φ = 750125629440.
The previous prime is 2443132401181. The next prime is 2443132401287. The reversal of 2443132401220 is 221042313442.
It is a Harshad number since it is a multiple of its sum of digits (28).
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 127 ways as a sum of consecutive naturals, for example, 2579864787 + ... + 2579865733.
It is an arithmetic number, because the mean of its divisors is an integer number (16971171840).
Almost surely, 22443132401220 is an apocalyptic number.
2443132401220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2443132401220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258464993280).
2443132401220 is an abundant number, since it is smaller than the sum of its proper divisors (4073797585340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2443132401220 is a wasteful number, since it uses less digits than its factorization.
2443132401220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563 (or 1561 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 2443132401220 its reverse (221042313442), we get a palindrome (2664174714662).
The spelling of 2443132401220 in words is "two trillion, four hundred forty-three billion, one hundred thirty-two million, four hundred one thousand, two hundred twenty".
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