| Base | Representation |
|---|---|
| bin | 100100101010000… |
| … | …1100110011110000 |
| 3 | 10011201112002211220 |
| 4 | 1021110030303300 |
| 5 | 10004342011422 |
| 6 | 322015505040 |
| 7 | 42324046311 |
| oct | 11124146360 |
| 9 | 3151462756 |
| 10 | 1230032112 |
| 11 | 581359371 |
| 12 | 2a3b28180 |
| 13 | 167aaac6a |
| 14 | b950a608 |
| 15 | 72ebde5c |
| hex | 4950ccf0 |
1230032112 has 80 divisors (see below), whose sum is σ = 3284789760. Its totient is φ = 396391936.
The previous prime is 1230032099. The next prime is 1230032113. The reversal of 1230032112 is 2112300321.
It is a junction number, because it is equal to n+sod(n) for n = 1230032091 and 1230032100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230032113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183964 + ... + 190532.
It is an arithmetic number, because the mean of its divisors is an integer number (41059872).
Almost surely, 21230032112 is an apocalyptic number.
1230032112 is a gapful number since it is divisible by the number (12) 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 1230032112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642394880).
1230032112 is an abundant number, since it is smaller than the sum of its proper divisors (2054757648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230032112 is a wasteful number, since it uses less digits than its factorization.
1230032112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6710 (or 6704 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1230032112 is about 35071.8136400158. The cubic root of 1230032112 is about 1071.4505937619.
Adding to 1230032112 its reverse (2112300321), we get a palindrome (3342332433).
Subtracting 1230032112 from its reverse (2112300321), we obtain a square (882268209 = 297032).
The spelling of 1230032112 in words is "one billion, two hundred thirty million, thirty-two thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •