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6530431530642 = 232947573692551
BaseRepresentation
bin101111100000111110000…
…0011010011011010010010
3212010022012000001012021020
41133001330003103122102
51323443310432440032
621520012215340310
71242544116063315
oct137017403233222
925108160035236
106530431530642
1120985a4395278
12895784381696
13384a810a3b26
141881088ac97c
15b4d11535b2c
hex5f07c0d3692

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".

Divisors: 1 2 3 6 294757 589514 884271 1768542 3692551 7385102 11077653 22155306 1088405255107 2176810510214 3265215765321 6530431530642