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42030001244 = 22711983138821
BaseRepresentation
bin100111001001001011…
…101110110001011100
311000111010212021200202
4213021023232301130
51142034140014434
631150332443032
73015354054530
oct471113566134
9130433767622
1042030001244
1116908927020
12818b919478
133c6a80232a
14206a035bc0
15115ed23a7e
hex9c92eec5c

42030001244 has 48 divisors (see below), whose sum is σ = 91795769856. Its totient is φ = 16358548800.

The previous prime is 42030001243. The next prime is 42030001249. The reversal of 42030001244 is 44210003024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233354 + ... + 372174.

It is an arithmetic number, because the mean of its divisors is an integer number (1912411872).

Almost surely, 242030001244 is an apocalyptic number.

42030001244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42030001244 is an abundant number, since it is smaller than the sum of its proper divisors (49765768612).

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

42030001244 is a wasteful number, since it uses less digits than its factorization.

42030001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139826 (or 139824 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42030001244 its reverse (44210003024), we get a palindrome (86240004268).

The spelling of 42030001244 in words is "forty-two billion, thirty million, one thousand, two hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 983 1966 3932 6881 10813 13762 21626 27524 43252 75691 138821 151382 277642 302764 555284 971747 1527031 1943494 3054062 3886988 6108124 10689217 21378434 42756868 136461043 272922086 545844172 955227301 1501071473 1910454602 3002142946 3820909204 6004285892 10507500311 21015000622 42030001244