Base | Representation |
---|---|
bin | 100110110101101… |
… | …1011011000111100 |
3 | 10100211020221111020 |
4 | 1031223123120330 |
5 | 10132111330022 |
6 | 333152424140 |
7 | 44203162260 |
oct | 11553333074 |
9 | 3324227436 |
10 | 1303230012 |
11 | 609703aa7 |
12 | 304548050 |
13 | 179cc9226 |
14 | c51220a0 |
15 | 7962c35c |
hex | 4dadb63c |
1303230012 has 48 divisors (see below), whose sum is σ = 3487206912. Its totient is φ = 371073600.
The previous prime is 1303230011. The next prime is 1303230037. The reversal of 1303230012 is 2100323031.
It is a junction number, because it is equal to n+sod(n) for n = 1303229973 and 1303230000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303230011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864 + ... + 51087.
It is an arithmetic number, because the mean of its divisors is an integer number (72650144).
Almost surely, 21303230012 is an apocalyptic number.
1303230012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1303230012 is an abundant number, since it is smaller than the sum of its proper divisors (2183976900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1303230012 is a wasteful number, since it uses less digits than its factorization.
1303230012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53258 (or 53256 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1303230012 is about 36100.2771734512. The cubic root of 1303230012 is about 1092.2960360157.
Adding to 1303230012 its reverse (2100323031), we get a palindrome (3403553043).
The spelling of 1303230012 in words is "one billion, three hundred three million, two hundred thirty thousand, twelve".
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