| Base | Representation |
|---|---|
| bin | 100100101010000… |
| … | …1111010010111100 |
| 3 | 10011201112121211020 |
| 4 | 1021110033102330 |
| 5 | 10004342323200 |
| 6 | 322020024140 |
| 7 | 42324121104 |
| oct | 11124172274 |
| 9 | 3151477736 |
| 10 | 1230042300 |
| 11 | 581365a93 |
| 12 | 2a3b32050 |
| 13 | 167ab27a6 |
| 14 | b9510204 |
| 15 | 72ec1ea0 |
| hex | 4950f4bc |
1230042300 has 144 divisors (see below), whose sum is σ = 3757259520. Its totient is φ = 310069760.
The previous prime is 1230042299. The next prime is 1230042301. The reversal of 1230042300 is 32400321.
It is an interprime number because it is at equal distance from previous prime (1230042299) and next prime (1230042301).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1230042300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230042301) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 613099 + ... + 615101.
It is an arithmetic number, because the mean of its divisors is an integer number (26092080).
Almost surely, 21230042300 is an apocalyptic number.
1230042300 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 1230042300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878629760).
1230042300 is an abundant number, since it is smaller than the sum of its proper divisors (2527217220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230042300 is a wasteful number, since it uses less digits than its factorization.
1230042300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2132 (or 2125 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1230042300 is about 35071.9588845562. The cubic root of 1230042300 is about 1071.4535519255.
Adding to 1230042300 its reverse (32400321), we get a palindrome (1262442621).
The spelling of 1230042300 in words is "one billion, two hundred thirty million, forty-two thousand, three hundred".
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