Base | Representation |
---|---|
bin | 101111100000111110000… |
… | …0011010011011010010010 |
3 | 212010022012000001012021020 |
4 | 1133001330003103122102 |
5 | 1323443310432440032 |
6 | 21520012215340310 |
7 | 1242544116063315 |
oct | 137017403233222 |
9 | 25108160035236 |
10 | 6530431530642 |
11 | 20985a4395278 |
12 | 895784381696 |
13 | 384a810a3b26 |
14 | 1881088ac97c |
15 | b4d11535b2c |
hex | 5f07c0d3692 |
6530431530642 has 16 divisors (see below), whose sum is σ = 13060910908992. Its totient is φ = 2176802535600.
The previous prime is 6530431530631. The next prime is 6530431530647. The reversal of 6530431530642 is 2460351340356.
It is a junction number, because it is equal to n+sod(n) for n = 6530431530594 and 6530431530603.
It is not an unprimeable number, because it can be changed into a prime (6530431530647) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77734 + ... + 3614817.
It is an arithmetic number, because the mean of its divisors is an integer number (816306931812).
Almost surely, 26530431530642 is an apocalyptic number.
6530431530642 is an abundant number, since it is smaller than the sum of its proper divisors (6530479378350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6530431530642 is a wasteful number, since it uses less digits than its factorization.
6530431530642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3987313.
The product of its (nonzero) digits is 777600, while the sum is 42.
Adding to 6530431530642 its reverse (2460351340356), we get a palindrome (8990782870998).
The spelling of 6530431530642 in words is "six trillion, five hundred thirty billion, four hundred thirty-one million, five hundred thirty thousand, six hundred forty-two".
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