| Base | Representation |
|---|---|
| bin | 111101011001100… |
| … | …011111110010000 |
| 3 | 2122210100001210201 |
| 4 | 331121203332100 |
| 5 | 4102202023440 |
| 6 | 250114504544 |
| 7 | 34345541263 |
| oct | 7531437620 |
| 9 | 2583301721 |
| 10 | 1030111120 |
| 11 | 48951a805 |
| 12 | 248b95154 |
| 13 | 13555090c |
| 14 | 9ab48cda |
| 15 | 6067d19a |
| hex | 3d663f90 |
1030111120 has 120 divisors (see below), whose sum is σ = 2538946872. Its totient is φ = 388608000.
The previous prime is 1030111037. The next prime is 1030111151. The reversal of 1030111120 is 211110301.
It can be written as a sum of positive squares in 4 ways, for example, as 475414416 + 554696704 = 21804^2 + 23552^2 .
It is a super-2 number, since 2×10301111202 = 2122257839095308800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 1030111097 and 1030111106.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 4274200 + ... + 4274440.
Almost surely, 21030111120 is an apocalyptic number.
1030111120 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 1030111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269473436).
1030111120 is an abundant number, since it is smaller than the sum of its proper divisors (1508835752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030111120 is a wasteful number, since it uses less digits than its factorization.
1030111120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401 (or 372 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1030111120 is about 32095.3442106484. The cubic root of 1030111120 is about 1009.9379499834.
Adding to 1030111120 its reverse (211110301), we get a palindrome (1241221421).
The spelling of 1030111120 in words is "one billion, thirty million, one hundred eleven thousand, one hundred twenty".
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