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42565130244 = 223271326011663
BaseRepresentation
bin100111101001000101…
…000101100000000100
311001212102210122200100
4213221011011200010
51144133133131434
631315410244100
73034542431430
oct475105054004
9131772718610
1042565130244
11170629a739a
1282bab86630
134024636b00
1420bb1339c0
151191cca699
hex9e9145804

42565130244 has 216 divisors, whose sum is σ = 133454211072. Its totient is φ = 11200550400.

The previous prime is 42565130239. The next prime is 42565130291. The reversal of 42565130244 is 44203156524.

42565130244 is a `hidden beast` number, since 42 + 565 + 1 + 30 + 24 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42565130199 and 42565130208.

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 71 ways as a sum of consecutive naturals, for example, 25594557 + ... + 25596219.

Almost surely, 242565130244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42565130244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66727105536).

42565130244 is an abundant number, since it is smaller than the sum of its proper divisors (90889080828).

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

42565130244 is a wasteful number, since it uses less digits than its factorization.

42565130244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 42565130244 its reverse (44203156524), we get a palindrome (86768286768).

The spelling of 42565130244 in words is "forty-two billion, five hundred sixty-five million, one hundred thirty thousand, two hundred forty-four".