Base | Representation |
---|---|
bin | 10011001101011100010… |
… | …010000111010010111100 |
3 | 11200012102021002110000201 |
4 | 103031130102013102330 |
5 | 133112032410242340 |
6 | 2450240321133244 |
7 | 164242250106502 |
oct | 23153422072274 |
9 | 4605367073021 |
10 | 1320103212220 |
11 | 469941937071 |
12 | 193a17a8a224 |
13 | 9763cc9b9a0 |
14 | 47c7145a672 |
15 | 24513c7c79a |
hex | 1335c4874bc |
1320103212220 has 48 divisors (see below), whose sum is σ = 2985549255360. Its totient is φ = 487408836096.
The previous prime is 1320103212199. The next prime is 1320103212221. The reversal of 1320103212220 is 222123010231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1320103212221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15526144 + ... + 15610936.
It is an arithmetic number, because the mean of its divisors is an integer number (62198942820).
Almost surely, 21320103212220 is an apocalyptic number.
1320103212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1320103212220 is an abundant number, since it is smaller than the sum of its proper divisors (1665446043140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1320103212220 is a wasteful number, since it uses less digits than its factorization.
1320103212220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144694 (or 144692 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 1320103212220 its reverse (222123010231), we get a palindrome (1542226222451).
The spelling of 1320103212220 in words is "one trillion, three hundred twenty billion, one hundred three million, two hundred twelve thousand, two hundred twenty".
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