Base | Representation |
---|---|
bin | 1000110010100011000… |
… | …00010010111100011100 |
3 | 1001212112221202022101011 |
4 | 10121101200102330130 |
5 | 14422011333201140 |
6 | 350424400225004 |
7 | 30551134155142 |
oct | 4312140227434 |
9 | 1055487668334 |
10 | 302015131420 |
11 | 1070a1739372 |
12 | 4a64830b164 |
13 | 22631473372 |
14 | 10890a19592 |
15 | 7cc955ecea |
hex | 4651812f1c |
302015131420 has 24 divisors (see below), whose sum is σ = 647726071104. Its totient is φ = 118235710656.
The previous prime is 302015131417. The next prime is 302015131463. The reversal of 302015131420 is 24131510203.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 302015131391 and 302015131400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160645407 + ... + 160647286.
It is an arithmetic number, because the mean of its divisors is an integer number (26988586296).
Almost surely, 2302015131420 is an apocalyptic number.
It is an amenable number.
302015131420 is an abundant number, since it is smaller than the sum of its proper divisors (345710939684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
302015131420 is a wasteful number, since it uses less digits than its factorization.
302015131420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321292749 (or 321292747 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 302015131420 its reverse (24131510203), we get a palindrome (326146641623).
The spelling of 302015131420 in words is "three hundred two billion, fifteen million, one hundred thirty-one thousand, four hundred twenty".
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