| Base | Representation |
|---|---|
| bin | 10000001100101010000… |
| … | …111110110100000101100 |
| 3 | 10221102010002002212112100 |
| 4 | 100030222013312200230 |
| 5 | 121214113411343040 |
| 6 | 2211204053135100 |
| 7 | 143263510232154 |
| oct | 20145207664054 |
| 9 | 3842102085470 |
| 10 | 1113103231020 |
| 11 | 39a078834440 |
| 12 | 15b88802a490 |
| 13 | 80c71682301 |
| 14 | 3bc35825764 |
| 15 | 1de4aee4b30 |
| hex | 1032a1f682c |
1113103231020 has 288 divisors, whose sum is σ = 3935098702080. Its totient is φ = 251824826880.
The previous prime is 1113103230991. The next prime is 1113103231021. The reversal of 1113103231020 is 201323013111.
1113103231020 is a `hidden beast` number, since 1 + 1 + 1 + 310 + 323 + 10 + 20 = 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 = 1113103230984 and 1113103231002.
It is not an unprimeable number, because it can be changed into a prime (1113103231021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2299734 + ... + 2741346.
It is an arithmetic number, because the mean of its divisors is an integer number (13663537160).
Almost surely, 21113103231020 is an apocalyptic number.
1113103231020 is a gapful number since it is divisible by the number (10) 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 1113103231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967549351040).
1113103231020 is an abundant number, since it is smaller than the sum of its proper divisors (2821995471060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1113103231020 is a wasteful number, since it uses less digits than its factorization.
1113103231020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441725 (or 441720 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1113103231020 its reverse (201323013111), we get a palindrome (1314426244131).
The spelling of 1113103231020 in words is "one trillion, one hundred thirteen billion, one hundred three million, two hundred thirty-one thousand, twenty".
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