Base | Representation |
---|---|
bin | 100110110101010… |
… | …0110001110000110 |
3 | 10100210211212202020 |
4 | 1031222212032012 |
5 | 10132032342410 |
6 | 333144024010 |
7 | 44201264322 |
oct | 11552461606 |
9 | 3323755666 |
10 | 1303012230 |
11 | 609575413 |
12 | 304462006 |
13 | 179c51070 |
14 | c50a6982 |
15 | 795d7a70 |
hex | 4daa6386 |
1303012230 has 64 divisors (see below), whose sum is σ = 3446150400. Its totient is φ = 313278336.
The previous prime is 1303012223. The next prime is 1303012231. The reversal of 1303012230 is 322103031.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303012231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22080 + ... + 55619.
It is an arithmetic number, because the mean of its divisors is an integer number (53846100).
Almost surely, 21303012230 is an apocalyptic number.
1303012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1303012230 is an abundant number, since it is smaller than the sum of its proper divisors (2143138170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1303012230 is a wasteful number, since it uses less digits than its factorization.
1303012230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77765.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1303012230 is about 36097.2606993938. The cubic root of 1303012230 is about 1092.2351883103.
Adding to 1303012230 its reverse (322103031), we get a palindrome (1625115261).
The spelling of 1303012230 in words is "one billion, three hundred three million, twelve thousand, two hundred thirty".
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