Base | Representation |
---|---|
bin | 100100101010111… |
… | …0000011010100111 |
3 | 10011202021211111200 |
4 | 1021111300122213 |
5 | 10004443040403 |
6 | 322032333543 |
7 | 42330365634 |
oct | 11125603247 |
9 | 3152254450 |
10 | 1230440103 |
11 | 581607952 |
12 | 2a40a42b3 |
13 | 167bc1889 |
14 | b95b518b |
15 | 7304eca3 |
hex | 495706a7 |
1230440103 has 24 divisors (see below), whose sum is σ = 1841570640. Its totient is φ = 791157120.
The previous prime is 1230440087. The next prime is 1230440111. The reversal of 1230440103 is 3010440321.
1230440103 is a `hidden beast` number, since 123 + 0 + 440 + 103 = 666.
It is not a de Polignac number, because 1230440103 - 24 = 1230440087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230440303) 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, 6283 + ... + 50003.
It is an arithmetic number, because the mean of its divisors is an integer number (76732110).
Almost surely, 21230440103 is an apocalyptic number.
1230440103 is a deficient number, since it is larger than the sum of its proper divisors (611130537).
1230440103 is a wasteful number, since it uses less digits than its factorization.
1230440103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43839 (or 43836 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1230440103 is about 35077.6296662132. The cubic root of 1230440103 is about 1071.5690442945.
Adding to 1230440103 its reverse (3010440321), we get a palindrome (4240880424).
The spelling of 1230440103 in words is "one billion, two hundred thirty million, four hundred forty thousand, one hundred three".
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