Base | Representation |
---|---|
bin | 100100101010101… |
… | …0001011001010100 |
3 | 10011202001101012210 |
4 | 1021111101121110 |
5 | 10004430004134 |
6 | 322025513420 |
7 | 42326326332 |
oct | 11125213124 |
9 | 3152041183 |
10 | 1230313044 |
11 | 581530444 |
12 | 2a4042870 |
13 | 167b78aac |
14 | b9580b52 |
15 | 730272e9 |
hex | 49551654 |
1230313044 has 12 divisors (see below), whose sum is σ = 2870730464. Its totient is φ = 410104344.
The previous prime is 1230313037. The next prime is 1230313129. The reversal of 1230313044 is 4403130321.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 1230313044.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51263032 + ... + 51263055.
Almost surely, 21230313044 is an apocalyptic number.
It is an amenable number.
1230313044 is an abundant number, since it is smaller than the sum of its proper divisors (1640417420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230313044 is a wasteful number, since it uses less digits than its factorization.
1230313044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102526094 (or 102526092 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1230313044 is about 35075.8185079123. The cubic root of 1230313044 is about 1071.5321585282.
Adding to 1230313044 its reverse (4403130321), we get a palindrome (5633443365).
The spelling of 1230313044 in words is "one billion, two hundred thirty million, three hundred thirteen thousand, forty-four".
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