Base | Representation |
---|---|
bin | 100100101010011… |
… | …0110100010011010 |
3 | 10011201211210022100 |
4 | 1021110312202122 |
5 | 10004412444114 |
6 | 322023304230 |
7 | 42325360524 |
oct | 11124664232 |
9 | 3151753270 |
10 | 1230203034 |
11 | 581465825 |
12 | 2a3bab076 |
13 | 167b3a9b8 |
14 | b9552a14 |
15 | 73004909 |
hex | 4953689a |
1230203034 has 48 divisors (see below), whose sum is σ = 2746434600. Its totient is φ = 397782528.
The previous prime is 1230203033. The next prime is 1230203063. The reversal of 1230203034 is 4303020321.
It can be written as a sum of positive squares in 4 ways, for example, as 789329025 + 440874009 = 28095^2 + 20997^2 .
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 = 1230202998 and 1230203016.
It is not an unprimeable number, because it can be changed into a prime (1230203033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77662 + ... + 92150.
Almost surely, 21230203034 is an apocalyptic number.
1230203034 is an abundant number, since it is smaller than the sum of its proper divisors (1516231566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230203034 is a wasteful number, since it uses less digits than its factorization.
1230203034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14639 (or 14636 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 1230203034 is about 35074.2502984740. The cubic root of 1230203034 is about 1071.5002201076.
Adding to 1230203034 its reverse (4303020321), we get a palindrome (5533223355).
The spelling of 1230203034 in words is "one billion, two hundred thirty million, two hundred three thousand, thirty-four".
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