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203422230444 = 22328375477937
BaseRepresentation
bin1011110101110011101…
…0001110011110101100
3201110001211211000010010
42331130322032132230
511313102042333234
6233241220213220
720460664300146
oct2753472163654
9643054730103
10203422230444
11792a8600624
123351183a210
131624b3296c4
149bba7d7c96
155458b1d6e9
hex2f5ce8e7ac

203422230444 has 48 divisors (see below), whose sum is σ = 476452222848. Its totient is φ = 67550343168.

The previous prime is 203422230421. The next prime is 203422230457. The reversal of 203422230444 is 444032224302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25625644 + ... + 25633580.

It is an arithmetic number, because the mean of its divisors is an integer number (9926087976).

Almost surely, 2203422230444 is an apocalyptic number.

It is an amenable number.

203422230444 is an abundant number, since it is smaller than the sum of its proper divisors (273029992404).

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

203422230444 is a wasteful number, since it uses less digits than its factorization.

203422230444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15774 (or 15772 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 203422230444 its reverse (444032224302), we get a palindrome (647454454746).

The spelling of 203422230444 in words is "two hundred three billion, four hundred twenty-two million, two hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 283 566 849 1132 1698 3396 7547 7937 15094 15874 22641 23811 30188 31748 45282 47622 90564 95244 2135801 2246171 4271602 4492342 6407403 6738513 8543204 8984684 12814806 13477026 25629612 26954052 59900539 119801078 179701617 239602156 359403234 718806468 16951852537 33903705074 50855557611 67807410148 101711115222 203422230444