Base | Representation |
---|---|
bin | 100000010011101000111… |
… | …000011011011010110100 |
3 | 21212020111022002010112000 |
4 | 200103220320123122310 |
5 | 242333241204344340 |
6 | 4415523215055300 |
7 | 316253254412550 |
oct | 40235070333264 |
9 | 7766438063460 |
10 | 2220110231220 |
11 | 7865a8390392 |
12 | 2ba332511530 |
13 | 13148104483b |
14 | 7964d74c860 |
15 | 3cb3bbe3d30 |
hex | 204e8e1b6b4 |
2220110231220 has 192 divisors, whose sum is σ = 7903258406400. Its totient is φ = 506840924160.
The previous prime is 2220110231197. The next prime is 2220110231231. The reversal of 2220110231220 is 221320110222.
2220110231220 is a `hidden beast` number, since 2 + 2 + 201 + 10 + 231 + 220 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2220110231193 and 2220110231202.
It is a congruent number.
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 63 ways as a sum of consecutive naturals, for example, 2779380 + ... + 3487860.
It is an arithmetic number, because the mean of its divisors is an integer number (41162804200).
Almost surely, 22220110231220 is an apocalyptic number.
2220110231220 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 2220110231220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951629203200).
2220110231220 is an abundant number, since it is smaller than the sum of its proper divisors (5683148175180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220110231220 is a wasteful number, since it uses less digits than its factorization.
2220110231220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 709335 (or 709327 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 2220110231220 its reverse (221320110222), we get a palindrome (2441430341442).
The spelling of 2220110231220 in words is "two trillion, two hundred twenty billion, one hundred ten million, two hundred thirty-one thousand, two hundred twenty".
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