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6531032442 = 2311317312161
BaseRepresentation
bin1100001010100011…
…11010010101111010
3121212011021211020110
412011101322111322
5101333421014232
63000022405150
7320562600624
oct60521722572
917764254213
106531032442
112851663380
1213232907b6
138010c7a4c
1445d561c14
15283580acc
hex18547a57a

6531032442 has 32 divisors (see below), whose sum is σ = 14294522304. Its totient is φ = 1972851200.

The previous prime is 6531032423. The next prime is 6531032581. The reversal of 6531032442 is 2442301356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135159 + ... + 177002.

It is an arithmetic number, because the mean of its divisors is an integer number (446703822).

Almost surely, 26531032442 is an apocalyptic number.

6531032442 is an abundant number, since it is smaller than the sum of its proper divisors (7763489862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6531032442 is a wasteful number, since it uses less digits than its factorization.

6531032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312494.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6531032442 is about 80814.8033592856. The cubic root of 6531032442 is about 1869.2208371864.

Adding to 6531032442 its reverse (2442301356), we get a palindrome (8973333798).

The spelling of 6531032442 in words is "six billion, five hundred thirty-one million, thirty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 317 634 951 1902 3487 6974 10461 20922 312161 624322 936483 1872966 3433771 6867542 10301313 20602626 98955037 197910074 296865111 593730222 1088505407 2177010814 3265516221 6531032442